1277893565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1913}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 1697794560

約数和(自身を除く): 419900995

約数列:

[1, 5, 13, 43, 65, 215, 239, 559, 1195, 1913, 2795, 3107, 9565, 10277, 15535, 24869, 51385, 82259, 124345, 133601, 411295, 457207, 668005, 1069367, 2286035, 5346835, 5943691, 19659901, 29718455, 98299505, 255578713, 1277893565]

約数ペア:

[(1, 1277893565), (5, 255578713), (13, 98299505), (43, 29718455), (65, 19659901), (215, 5943691), (239, 5346835), (559, 2286035), (1195, 1069367), (1913, 668005), (2795, 457207), (3107, 411295), (9565, 133601), (10277, 124345), (15535, 82259), (24869, 51385)]