213799312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{431047}}^1$

素因数の和:431086

約数の個数: 20

約数和(自身を含む): 427599616

約数和(自身を除く): 213800304

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 431047, 862094, 1724188, 3448376, 6896752, 13362457, 26724914, 53449828, 106899656, 213799312]

約数ペア:

[(1, 213799312), (2, 106899656), (4, 53449828), (8, 26724914), (16, 13362457), (31, 6896752), (62, 3448376), (124, 1724188), (248, 862094), (496, 431047)]