331378655

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1\times {\mathrm{1151}}^1$

素因数の和:2038

約数の個数: 16

約数和(自身を含む): 404103168

約数和(自身を除く): 72724513

約数列:

[1, 5, 71, 355, 811, 1151, 4055, 5755, 57581, 81721, 287905, 408605, 933461, 4667305, 66275731, 331378655]

約数ペア:

[(1, 331378655), (5, 66275731), (71, 4667305), (355, 933461), (811, 408605), (1151, 287905), (4055, 81721), (5755, 57581)]