215639256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 640442880

約数和(自身を除く): 424803624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 113, 148, 168, 222, 226, 259, 296, 307, 339, 444, 452, 518, 614, 678, 777, 791, 888, 904, 921, 1036, 1228, 1356, 1554, 1582, 1842, 2072, 2149, 2373, 2456, 2712, 3108, 3164, 3684, 4181, 4298, 4746, 6216, 6328, 6447, 7368, 8362, 8596, 9492, 11359, 12543, 12894, 16724, 17192, 18984, 22718, 25086, 25788, 29267, 33448, 34077, 34691, 45436, 50172, 51576, 58534, 68154, 69382, 79513, 87801, 90872, 100344, 104073, 117068, 136308, 138764, 159026, 175602, 208146, 234136, 238539, 242837, 272616, 277528, 318052, 351204, 416292, 477078, 485674, 636104, 702408, 728511, 832584, 954156, 971348, 1283567, 1457022, 1908312, 1942696, 2567134, 2914044, 3850701, 5134268, 5828088, 7701402, 8984969, 10268536, 15402804, 17969938, 26954907, 30805608, 35939876, 53909814, 71879752, 107819628, 215639256]

約数ペア:

[(1, 215639256), (2, 107819628), (3, 71879752), (4, 53909814), (6, 35939876), (7, 30805608), (8, 26954907), (12, 17969938), (14, 15402804), (21, 10268536), (24, 8984969), (28, 7701402), (37, 5828088), (42, 5134268), (56, 3850701), (74, 2914044), (84, 2567134), (111, 1942696), (113, 1908312), (148, 1457022), (168, 1283567), (222, 971348), (226, 954156), (259, 832584), (296, 728511), (307, 702408), (339, 636104), (444, 485674), (452, 477078), (518, 416292), (614, 351204), (678, 318052), (777, 277528), (791, 272616), (888, 242837), (904, 238539), (921, 234136), (1036, 208146), (1228, 175602), (1356, 159026), (1554, 138764), (1582, 136308), (1842, 117068), (2072, 104073), (2149, 100344), (2373, 90872), (2456, 87801), (2712, 79513), (3108, 69382), (3164, 68154), (3684, 58534), (4181, 51576), (4298, 50172), (4746, 45436), (6216, 34691), (6328, 34077), (6447, 33448), (7368, 29267), (8362, 25788), (8596, 25086), (9492, 22718), (11359, 18984), (12543, 17192), (12894, 16724)]