256950002

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{20261}}^1$

素因数の和:20653

約数の個数: 16

約数和(自身を含む): 409211352

約数和(自身を除く): 152261350

約数列:

[1, 2, 17, 34, 373, 746, 6341, 12682, 20261, 40522, 344437, 688874, 7557353, 15114706, 128475001, 256950002]

約数ペア:

[(1, 256950002), (2, 128475001), (17, 15114706), (34, 7557353), (373, 688874), (746, 344437), (6341, 40522), (12682, 20261)]