81381010

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{49927}}^1$

素因数の和:50097

約数の個数: 16

約数和(自身を含む): 147387456

約数和(自身を除く): 66006446

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 49927, 99854, 249635, 499270, 8138101, 16276202, 40690505, 81381010]

約数ペア:

[(1, 81381010), (2, 40690505), (5, 16276202), (10, 8138101), (163, 499270), (326, 249635), (815, 99854), (1630, 49927)]