289301428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 558157824

約数和(自身を除く): 268856396

約数列:

[1, 2, 4, 13, 26, 52, 71, 127, 142, 254, 284, 508, 617, 923, 1234, 1651, 1846, 2468, 3302, 3692, 6604, 8021, 9017, 16042, 18034, 32084, 36068, 43807, 78359, 87614, 117221, 156718, 175228, 234442, 313436, 468884, 569491, 1018667, 1138982, 2037334, 2277964, 4074668, 5563489, 11126978, 22253956, 72325357, 144650714, 289301428]

約数ペア:

[(1, 289301428), (2, 144650714), (4, 72325357), (13, 22253956), (26, 11126978), (52, 5563489), (71, 4074668), (127, 2277964), (142, 2037334), (254, 1138982), (284, 1018667), (508, 569491), (617, 468884), (923, 313436), (1234, 234442), (1651, 175228), (1846, 156718), (2468, 117221), (3302, 87614), (3692, 78359), (6604, 43807), (8021, 36068), (9017, 32084), (16042, 18034)]