648165310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{121607}}^1$

素因数の和:121668

約数の個数: 32

約数和(自身を含む): 1287099072

約数和(自身を除く): 638933762

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 121607, 243214, 608035, 1216070, 1580891, 3161782, 4985887, 7904455, 9971774, 15808910, 24929435, 49858870, 64816531, 129633062, 324082655, 648165310]

約数ペア:

[(1, 648165310), (2, 324082655), (5, 129633062), (10, 64816531), (13, 49858870), (26, 24929435), (41, 15808910), (65, 9971774), (82, 7904455), (130, 4985887), (205, 3161782), (410, 1580891), (533, 1216070), (1066, 608035), (2665, 243214), (5330, 121607)]