128957654

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{1033}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 228207936

約数和(自身を除く): 99250282

約数列:

[1, 2, 7, 14, 37, 74, 241, 259, 482, 518, 1033, 1687, 2066, 3374, 7231, 8917, 14462, 17834, 38221, 62419, 76442, 124838, 248953, 267547, 497906, 535094, 1742671, 3485342, 9211261, 18422522, 64478827, 128957654]

約数ペア:

[(1, 128957654), (2, 64478827), (7, 18422522), (14, 9211261), (37, 3485342), (74, 1742671), (241, 535094), (259, 497906), (482, 267547), (518, 248953), (1033, 124838), (1687, 76442), (2066, 62419), (3374, 38221), (7231, 17834), (8917, 14462)]