1287667906

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{2287}}^1$

素因数の和:2734

約数の個数: 32

約数和(自身を含む): 2232502272

約数和(自身を除く): 944834366

約数列:

[1, 2, 7, 14, 131, 262, 307, 614, 917, 1834, 2149, 2287, 4298, 4574, 16009, 32018, 40217, 80434, 281519, 299597, 563038, 599194, 702109, 1404218, 2097179, 4194358, 4914763, 9829526, 91976279, 183952558, 643833953, 1287667906]

約数ペア:

[(1, 1287667906), (2, 643833953), (7, 183952558), (14, 91976279), (131, 9829526), (262, 4914763), (307, 4194358), (614, 2097179), (917, 1404218), (1834, 702109), (2149, 599194), (2287, 563038), (4298, 299597), (4574, 281519), (16009, 80434), (32018, 40217)]