68190064

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{30661}}^1$

素因数の和:30808

約数の個数: 20

約数和(自身を含む): 133073080

約数和(自身を除く): 64883016

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 30661, 61322, 122644, 245288, 490576, 4261879, 8523758, 17047516, 34095032, 68190064]

約数ペア:

[(1, 68190064), (2, 34095032), (4, 17047516), (8, 8523758), (16, 4261879), (139, 490576), (278, 245288), (556, 122644), (1112, 61322), (2224, 30661)]