1621212208

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 240

約数和(自身を含む): 4331722752

約数和(自身を除く): 2710510544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 31, 34, 44, 56, 62, 68, 77, 88, 112, 119, 121, 124, 136, 154, 176, 187, 217, 227, 238, 242, 248, 272, 308, 341, 374, 434, 454, 476, 484, 496, 527, 616, 682, 748, 847, 868, 908, 952, 968, 1054, 1232, 1309, 1364, 1496, 1589, 1694, 1736, 1816, 1904, 1936, 2057, 2108, 2387, 2497, 2618, 2728, 2992, 3178, 3388, 3472, 3632, 3689, 3751, 3859, 4114, 4216, 4774, 4994, 5236, 5456, 5797, 6356, 6776, 7037, 7378, 7502, 7718, 8228, 8432, 9548, 9988, 10472, 11594, 12712, 13552, 14074, 14399, 14756, 15004, 15436, 16456, 17479, 19096, 19976, 20944, 23188, 25424, 26257, 27013, 27467, 28148, 28798, 29512, 30008, 30872, 32912, 34958, 38192, 39952, 40579, 42449, 46376, 49259, 52514, 54026, 54934, 56296, 57596, 59024, 60016, 61744, 63767, 69916, 77407, 81158, 84898, 92752, 98518, 105028, 108052, 109868, 112592, 115192, 119629, 127534, 139832, 154814, 162316, 169796, 192269, 197036, 210056, 216104, 219736, 230384, 239258, 255068, 279664, 297143, 309628, 324632, 339592, 384538, 394072, 420112, 432208, 439472, 446369, 466939, 478516, 510136, 541849, 594286, 619256, 649264, 679184, 769076, 788144, 837403, 851477, 892738, 933878, 957032, 1020272, 1083698, 1188572, 1238512, 1315919, 1538152, 1674806, 1702954, 1785476, 1867756, 1914064, 2167396, 2377144, 2631838, 3076304, 3268573, 3349612, 3405908, 3570952, 3735512, 4334792, 4754288, 5263676, 5960339, 6537146, 6699224, 6811816, 7141904, 7471024, 8669584, 9211433, 10527352, 11920678, 13074292, 13398448, 13623632, 14475109, 18422866, 21054704, 23841356, 26148584, 28950218, 36845732, 47682712, 52297168, 57900436, 73691464, 95365424, 101325763, 115800872, 147382928, 202651526, 231601744, 405303052, 810606104, 1621212208]

約数ペア:

[(1, 1621212208), (2, 810606104), (4, 405303052), (7, 231601744), (8, 202651526), (11, 147382928), (14, 115800872), (16, 101325763), (17, 95365424), (22, 73691464), (28, 57900436), (31, 52297168), (34, 47682712), (44, 36845732), (56, 28950218), (62, 26148584), (68, 23841356), (77, 21054704), (88, 18422866), (112, 14475109), (119, 13623632), (121, 13398448), (124, 13074292), (136, 11920678), (154, 10527352), (176, 9211433), (187, 8669584), (217, 7471024), (227, 7141904), (238, 6811816), (242, 6699224), (248, 6537146), (272, 5960339), (308, 5263676), (341, 4754288), (374, 4334792), (434, 3735512), (454, 3570952), (476, 3405908), (484, 3349612), (496, 3268573), (527, 3076304), (616, 2631838), (682, 2377144), (748, 2167396), (847, 1914064), (868, 1867756), (908, 1785476), (952, 1702954), (968, 1674806), (1054, 1538152), (1232, 1315919), (1309, 1238512), (1364, 1188572), (1496, 1083698), (1589, 1020272), (1694, 957032), (1736, 933878), (1816, 892738), (1904, 851477), (1936, 837403), (2057, 788144), (2108, 769076), (2387, 679184), (2497, 649264), (2618, 619256), (2728, 594286), (2992, 541849), (3178, 510136), (3388, 478516), (3472, 466939), (3632, 446369), (3689, 439472), (3751, 432208), (3859, 420112), (4114, 394072), (4216, 384538), (4774, 339592), (4994, 324632), (5236, 309628), (5456, 297143), (5797, 279664), (6356, 255068), (6776, 239258), (7037, 230384), (7378, 219736), (7502, 216104), (7718, 210056), (8228, 197036), (8432, 192269), (9548, 169796), (9988, 162316), (10472, 154814), (11594, 139832), (12712, 127534), (13552, 119629), (14074, 115192), (14399, 112592), (14756, 109868), (15004, 108052), (15436, 105028), (16456, 98518), (17479, 92752), (19096, 84898), (19976, 81158), (20944, 77407), (23188, 69916), (25424, 63767), (26257, 61744), (27013, 60016), (27467, 59024), (28148, 57596), (28798, 56296), (29512, 54934), (30008, 54026), (30872, 52514), (32912, 49259), (34958, 46376), (38192, 42449), (39952, 40579)]