68840804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{3923}}^1$

素因数の和:4075

約数の個数: 24

約数和(自身を含む): 124594848

約数和(自身を除く): 55754044

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 3923, 4387, 7846, 8774, 15692, 17548, 160843, 321686, 419761, 643372, 839522, 1679044, 17210201, 34420402, 68840804]

約数ペア:

[(1, 68840804), (2, 34420402), (4, 17210201), (41, 1679044), (82, 839522), (107, 643372), (164, 419761), (214, 321686), (428, 160843), (3923, 17548), (4387, 15692), (7846, 8774)]