28703792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137999}}^1$

素因数の和:138020

約数の個数: 20

約数和(自身を含む): 59892000

約数和(自身を除く): 31188208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137999, 275998, 551996, 1103992, 1793987, 2207984, 3587974, 7175948, 14351896, 28703792]

約数ペア:

[(1, 28703792), (2, 14351896), (4, 7175948), (8, 3587974), (13, 2207984), (16, 1793987), (26, 1103992), (52, 551996), (104, 275998), (208, 137999)]