221570888

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 549642240

約数和(自身を除く): 328071352

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 41, 44, 56, 62, 77, 82, 88, 124, 154, 164, 217, 248, 283, 287, 308, 328, 341, 434, 451, 566, 574, 616, 682, 868, 902, 1132, 1148, 1271, 1364, 1736, 1804, 1981, 2264, 2296, 2387, 2542, 2728, 3113, 3157, 3608, 3962, 4774, 5084, 6226, 6314, 7924, 8773, 8897, 9548, 10168, 11603, 12452, 12628, 13981, 15848, 17546, 17794, 19096, 21791, 23206, 24904, 25256, 27962, 35092, 35588, 43582, 46412, 55924, 61411, 70184, 71176, 81221, 87164, 92824, 96503, 97867, 111848, 122822, 127633, 162442, 174328, 193006, 195734, 245644, 255266, 324884, 359693, 386012, 391468, 491288, 510532, 649768, 675521, 719386, 772024, 782936, 893431, 1021064, 1351042, 1438772, 1786862, 2517851, 2702084, 2877544, 3573724, 3956623, 5035702, 5404168, 7147448, 7913246, 10071404, 15826492, 20142808, 27696361, 31652984, 55392722, 110785444, 221570888]

約数ペア:

[(1, 221570888), (2, 110785444), (4, 55392722), (7, 31652984), (8, 27696361), (11, 20142808), (14, 15826492), (22, 10071404), (28, 7913246), (31, 7147448), (41, 5404168), (44, 5035702), (56, 3956623), (62, 3573724), (77, 2877544), (82, 2702084), (88, 2517851), (124, 1786862), (154, 1438772), (164, 1351042), (217, 1021064), (248, 893431), (283, 782936), (287, 772024), (308, 719386), (328, 675521), (341, 649768), (434, 510532), (451, 491288), (566, 391468), (574, 386012), (616, 359693), (682, 324884), (868, 255266), (902, 245644), (1132, 195734), (1148, 193006), (1271, 174328), (1364, 162442), (1736, 127633), (1804, 122822), (1981, 111848), (2264, 97867), (2296, 96503), (2387, 92824), (2542, 87164), (2728, 81221), (3113, 71176), (3157, 70184), (3608, 61411), (3962, 55924), (4774, 46412), (5084, 43582), (6226, 35588), (6314, 35092), (7924, 27962), (8773, 25256), (8897, 24904), (9548, 23206), (10168, 21791), (11603, 19096), (12452, 17794), (12628, 17546), (13981, 15848)]