398390404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{50893}}^1$

素因数の和:51019

約数の個数: 24

約数和(自身を含む): 741016640

約数和(自身を除く): 342626236

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 3914, 7828, 50893, 101786, 203572, 966967, 1933934, 3867868, 5241979, 10483958, 20967916, 99597601, 199195202, 398390404]

約数ペア:

[(1, 398390404), (2, 199195202), (4, 99597601), (19, 20967916), (38, 10483958), (76, 5241979), (103, 3867868), (206, 1933934), (412, 966967), (1957, 203572), (3914, 101786), (7828, 50893)]