15555212

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 27788880

約数和(自身を除く): 12233668

約数列:

[1, 2, 4, 101, 139, 202, 277, 278, 404, 554, 556, 1108, 14039, 27977, 28078, 38503, 55954, 56156, 77006, 111908, 154012, 3888803, 7777606, 15555212]

約数ペア:

[(1, 15555212), (2, 7777606), (4, 3888803), (101, 154012), (139, 111908), (202, 77006), (277, 56156), (278, 55954), (404, 38503), (554, 28078), (556, 27977), (1108, 14039)]