31117288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{204719}}^1$

素因数の和:204744

約数の個数: 16

約数和(自身を含む): 61416000

約数和(自身を除く): 30298712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 204719, 409438, 818876, 1637752, 3889661, 7779322, 15558644, 31117288]

約数ペア:

[(1, 31117288), (2, 15558644), (4, 7779322), (8, 3889661), (19, 1637752), (38, 818876), (76, 409438), (152, 204719)]