81082012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{17891}}^1$

素因数の和:18009

約数の個数: 24

約数和(自身を含む): 156304512

約数和(自身を除く): 75222500

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 17891, 35782, 71564, 196801, 393602, 787204, 1842773, 3685546, 7371092, 20270503, 40541006, 81082012]

約数ペア:

[(1, 81082012), (2, 40541006), (4, 20270503), (11, 7371092), (22, 3685546), (44, 1842773), (103, 787204), (206, 393602), (412, 196801), (1133, 71564), (2266, 35782), (4532, 17891)]