205721204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{31151}}^1$

素因数の和:31295

約数の個数: 24

約数和(自身を含む): 390770688

約数和(自身を除く): 185049484

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 31151, 62302, 124604, 404963, 809926, 1619852, 3956177, 7912354, 15824708, 51430301, 102860602, 205721204]

約数ペア:

[(1, 205721204), (2, 102860602), (4, 51430301), (13, 15824708), (26, 7912354), (52, 3956177), (127, 1619852), (254, 809926), (508, 404963), (1651, 124604), (3302, 62302), (6604, 31151)]