256768305

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{4549}}^1$

素因数の和:4681

約数の個数: 32

約数和(自身を含む): 424569600

約数和(自身を除く): 167801295

約数列:

[1, 3, 5, 15, 53, 71, 159, 213, 265, 355, 795, 1065, 3763, 4549, 11289, 13647, 18815, 22745, 56445, 68235, 241097, 322979, 723291, 968937, 1205485, 1614895, 3616455, 4844685, 17117887, 51353661, 85589435, 256768305]

約数ペア:

[(1, 256768305), (3, 85589435), (5, 51353661), (15, 17117887), (53, 4844685), (71, 3616455), (159, 1614895), (213, 1205485), (265, 968937), (355, 723291), (795, 322979), (1065, 241097), (3763, 68235), (4549, 56445), (11289, 22745), (13647, 18815)]