16686428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6217}}^1$

素因数の和:6293

約数の個数: 24

約数和(自身を含む): 32383344

約数和(自身を除く): 15696916

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 6217, 12434, 24868, 68387, 136774, 273548, 379237, 758474, 1516948, 4171607, 8343214, 16686428]

約数ペア:

[(1, 16686428), (2, 8343214), (4, 4171607), (11, 1516948), (22, 758474), (44, 379237), (61, 273548), (122, 136774), (244, 68387), (671, 24868), (1342, 12434), (2684, 6217)]