65457808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 137100600

約数和(自身を除く): 71642792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389, 778, 809, 1556, 1618, 3112, 3236, 5057, 6224, 6472, 10114, 10517, 12944, 20228, 21034, 40456, 42068, 80912, 84136, 168272, 314701, 629402, 1258804, 2517608, 4091113, 5035216, 8182226, 16364452, 32728904, 65457808]

約数ペア:

[(1, 65457808), (2, 32728904), (4, 16364452), (8, 8182226), (13, 5035216), (16, 4091113), (26, 2517608), (52, 1258804), (104, 629402), (208, 314701), (389, 168272), (778, 84136), (809, 80912), (1556, 42068), (1618, 40456), (3112, 21034), (3236, 20228), (5057, 12944), (6224, 10517), (6472, 10114)]