72239312

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{104999}}^1$

素因数の和:105050

約数の個数: 20

約数和(自身を含む): 143220000

約数和(自身を除く): 70980688

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 104999, 209998, 419996, 839992, 1679984, 4514957, 9029914, 18059828, 36119656, 72239312]

約数ペア:

[(1, 72239312), (2, 36119656), (4, 18059828), (8, 9029914), (16, 4514957), (43, 1679984), (86, 839992), (172, 419996), (344, 209998), (688, 104999)]