221352648

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:148

約数の個数: 256

約数和(自身を含む): 693411840

約数和(自身を除く): 472059192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 31, 33, 34, 37, 43, 44, 51, 62, 66, 68, 74, 86, 88, 93, 102, 111, 124, 129, 132, 136, 148, 172, 186, 187, 204, 222, 248, 258, 264, 296, 341, 344, 372, 374, 407, 408, 444, 473, 516, 527, 561, 629, 682, 731, 744, 748, 814, 888, 946, 1023, 1032, 1054, 1122, 1147, 1221, 1258, 1333, 1364, 1419, 1462, 1496, 1581, 1591, 1628, 1887, 1892, 2046, 2108, 2193, 2244, 2294, 2442, 2516, 2666, 2728, 2838, 2924, 3162, 3182, 3256, 3441, 3774, 3784, 3999, 4092, 4216, 4386, 4488, 4588, 4773, 4884, 5032, 5332, 5676, 5797, 5848, 6324, 6364, 6882, 6919, 7548, 7998, 8041, 8184, 8772, 9176, 9546, 9768, 10664, 11352, 11594, 12617, 12648, 12728, 13764, 13838, 14663, 15096, 15996, 16082, 17391, 17501, 17544, 19092, 19499, 20757, 22661, 23188, 24123, 25234, 27047, 27528, 27676, 29326, 31992, 32164, 34782, 35002, 37851, 38184, 38998, 41514, 43989, 45322, 46376, 48246, 49321, 50468, 52503, 54094, 55352, 58497, 58652, 64328, 67983, 69564, 70004, 75702, 77996, 81141, 83028, 87978, 90644, 96492, 98642, 100936, 105006, 108188, 116994, 117304, 135966, 139128, 140008, 147963, 151404, 155992, 162282, 166056, 175956, 181288, 192984, 197284, 210012, 214489, 216376, 233988, 249271, 271932, 295926, 297517, 302808, 324564, 351912, 394568, 420024, 428978, 467976, 498542, 542531, 543864, 591852, 595034, 643467, 649128, 747813, 838457, 857956, 892551, 997084, 1085062, 1183704, 1190068, 1286934, 1495626, 1627593, 1676914, 1715912, 1785102, 1994168, 2170124, 2380136, 2515371, 2573868, 2991252, 3255186, 3353828, 3570204, 4340248, 5030742, 5147736, 5982504, 6510372, 6707656, 7140408, 9223027, 10061484, 13020744, 18446054, 20122968, 27669081, 36892108, 55338162, 73784216, 110676324, 221352648]

約数ペア:

[(1, 221352648), (2, 110676324), (3, 73784216), (4, 55338162), (6, 36892108), (8, 27669081), (11, 20122968), (12, 18446054), (17, 13020744), (22, 10061484), (24, 9223027), (31, 7140408), (33, 6707656), (34, 6510372), (37, 5982504), (43, 5147736), (44, 5030742), (51, 4340248), (62, 3570204), (66, 3353828), (68, 3255186), (74, 2991252), (86, 2573868), (88, 2515371), (93, 2380136), (102, 2170124), (111, 1994168), (124, 1785102), (129, 1715912), (132, 1676914), (136, 1627593), (148, 1495626), (172, 1286934), (186, 1190068), (187, 1183704), (204, 1085062), (222, 997084), (248, 892551), (258, 857956), (264, 838457), (296, 747813), (341, 649128), (344, 643467), (372, 595034), (374, 591852), (407, 543864), (408, 542531), (444, 498542), (473, 467976), (516, 428978), (527, 420024), (561, 394568), (629, 351912), (682, 324564), (731, 302808), (744, 297517), (748, 295926), (814, 271932), (888, 249271), (946, 233988), (1023, 216376), (1032, 214489), (1054, 210012), (1122, 197284), (1147, 192984), (1221, 181288), (1258, 175956), (1333, 166056), (1364, 162282), (1419, 155992), (1462, 151404), (1496, 147963), (1581, 140008), (1591, 139128), (1628, 135966), (1887, 117304), (1892, 116994), (2046, 108188), (2108, 105006), (2193, 100936), (2244, 98642), (2294, 96492), (2442, 90644), (2516, 87978), (2666, 83028), (2728, 81141), (2838, 77996), (2924, 75702), (3162, 70004), (3182, 69564), (3256, 67983), (3441, 64328), (3774, 58652), (3784, 58497), (3999, 55352), (4092, 54094), (4216, 52503), (4386, 50468), (4488, 49321), (4588, 48246), (4773, 46376), (4884, 45322), (5032, 43989), (5332, 41514), (5676, 38998), (5797, 38184), (5848, 37851), (6324, 35002), (6364, 34782), (6882, 32164), (6919, 31992), (7548, 29326), (7998, 27676), (8041, 27528), (8184, 27047), (8772, 25234), (9176, 24123), (9546, 23188), (9768, 22661), (10664, 20757), (11352, 19499), (11594, 19092), (12617, 17544), (12648, 17501), (12728, 17391), (13764, 16082), (13838, 15996), (14663, 15096)]