2557001881

素因数分解:

$7^1\times {\mathrm{71}}^2\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 2986319232

約数和(自身を除く): 429317351

約数列:

[1, 7, 71, 233, 311, 497, 1631, 2177, 5041, 16543, 22081, 35287, 72463, 115801, 154567, 507241, 1174553, 1567751, 5144873, 8221871, 10974257, 36014111, 365285983, 2557001881]

約数ペア:

[(1, 2557001881), (7, 365285983), (71, 36014111), (233, 10974257), (311, 8221871), (497, 5144873), (1631, 1567751), (2177, 1174553), (5041, 507241), (16543, 154567), (22081, 115801), (35287, 72463)]