129612428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{6997}}^1$

素因数の和:7433

約数の個数: 24

約数和(自身を含む): 248065104

約数和(自身を除く): 118452676

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1684, 4631, 6997, 9262, 13994, 18524, 27988, 76967, 153934, 307868, 2945737, 5891474, 11782948, 32403107, 64806214, 129612428]

約数ペア:

[(1, 129612428), (2, 64806214), (4, 32403107), (11, 11782948), (22, 5891474), (44, 2945737), (421, 307868), (842, 153934), (1684, 76967), (4631, 27988), (6997, 18524), (9262, 13994)]