64840336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{368411}}^1$

素因数の和:368430

約数の個数: 20

約数和(自身を含む): 137049264

約数和(自身を除く): 72208928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 368411, 736822, 1473644, 2947288, 4052521, 5894576, 8105042, 16210084, 32420168, 64840336]

約数ペア:

[(1, 64840336), (2, 32420168), (4, 16210084), (8, 8105042), (11, 5894576), (16, 4052521), (22, 2947288), (44, 1473644), (88, 736822), (176, 368411)]