31991824

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{117617}}^1$

素因数の和:117642

約数の個数: 20

約数和(自身を含む): 65630844

約数和(自身を除く): 33639020

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 117617, 235234, 470468, 940936, 1881872, 1999489, 3998978, 7997956, 15995912, 31991824]

約数ペア:

[(1, 31991824), (2, 15995912), (4, 7997956), (8, 3998978), (16, 1999489), (17, 1881872), (34, 940936), (68, 470468), (136, 235234), (272, 117617)]