81587948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{15233}}^1$

素因数の和:15353

約数の個数: 24

約数和(自身を含む): 155264928

約数和(自身を除く): 73676980

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 15233, 30466, 60932, 198029, 396058, 792116, 1568999, 3137998, 6275996, 20396987, 40793974, 81587948]

約数ペア:

[(1, 81587948), (2, 40793974), (4, 20396987), (13, 6275996), (26, 3137998), (52, 1568999), (103, 792116), (206, 396058), (412, 198029), (1339, 60932), (2678, 30466), (5356, 15233)]