31998416

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{19801}}^1$

素因数の和:19910

約数の個数: 20

約数和(自身を含む): 62613924

約数和(自身を除く): 30615508

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 19801, 39602, 79204, 158408, 316816, 1999901, 3999802, 7999604, 15999208, 31998416]

約数ペア:

[(1, 31998416), (2, 15999208), (4, 7999604), (8, 3999802), (16, 1999901), (101, 316816), (202, 158408), (404, 79204), (808, 39602), (1616, 19801)]