256250456

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{11243}}^1$

素因数の和:11304

約数の個数: 64

約数和(自身を含む): 615271680

約数和(自身を除く): 359021224

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 259, 296, 308, 407, 518, 616, 814, 1036, 1628, 2072, 2849, 3256, 5698, 11243, 11396, 22486, 22792, 44972, 78701, 89944, 123673, 157402, 247346, 314804, 415991, 494692, 629608, 831982, 865711, 989384, 1663964, 1731422, 2911937, 3327928, 3462844, 4575901, 5823874, 6925688, 9151802, 11647748, 18303604, 23295496, 32031307, 36607208, 64062614, 128125228, 256250456]

約数ペア:

[(1, 256250456), (2, 128125228), (4, 64062614), (7, 36607208), (8, 32031307), (11, 23295496), (14, 18303604), (22, 11647748), (28, 9151802), (37, 6925688), (44, 5823874), (56, 4575901), (74, 3462844), (77, 3327928), (88, 2911937), (148, 1731422), (154, 1663964), (259, 989384), (296, 865711), (308, 831982), (407, 629608), (518, 494692), (616, 415991), (814, 314804), (1036, 247346), (1628, 157402), (2072, 123673), (2849, 89944), (3256, 78701), (5698, 44972), (11243, 22792), (11396, 22486)]