198996848

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{89477}}^1$

素因数の和:89624

約数の個数: 20

約数和(自身を含む): 388334520

約数和(自身を除く): 189337672

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 89477, 178954, 357908, 715816, 1431632, 12437303, 24874606, 49749212, 99498424, 198996848]

約数ペア:

[(1, 198996848), (2, 99498424), (4, 49749212), (8, 24874606), (16, 12437303), (139, 1431632), (278, 715816), (556, 357908), (1112, 178954), (2224, 89477)]