128678694

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{154291}}^1$

素因数の和:154435

約数の個数: 16

約数和(自身を含む): 259210560

約数和(自身を除く): 130531866

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 154291, 308582, 462873, 925746, 21446449, 42892898, 64339347, 128678694]

約数ペア:

[(1, 128678694), (2, 64339347), (3, 42892898), (6, 21446449), (139, 925746), (278, 462873), (417, 308582), (834, 154291)]