68421664

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{20759}}^1$

素因数の和:20872

約数の個数: 24

約数和(自身を含む): 136019520

約数和(自身を除く): 67597856

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 20759, 41518, 83036, 166072, 332144, 664288, 2138177, 4276354, 8552708, 17105416, 34210832, 68421664]

約数ペア:

[(1, 68421664), (2, 34210832), (4, 17105416), (8, 8552708), (16, 4276354), (32, 2138177), (103, 664288), (206, 332144), (412, 166072), (824, 83036), (1648, 41518), (3296, 20759)]