211370380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{812963}}^1$

素因数の和:812985

約数の個数: 24

約数和(自身を含む): 478022832

約数和(自身を除く): 266652452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 812963, 1625926, 3251852, 4064815, 8129630, 10568519, 16259260, 21137038, 42274076, 52842595, 105685190, 211370380]

約数ペア:

[(1, 211370380), (2, 105685190), (4, 52842595), (5, 42274076), (10, 21137038), (13, 16259260), (20, 10568519), (26, 8129630), (52, 4064815), (65, 3251852), (130, 1625926), (260, 812963)]