71667830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{42407}}^1$

素因数の和:42440

約数の個数: 24

約数和(自身を含む): 139691952

約数和(自身を除く): 68024122

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 42407, 84814, 212035, 424070, 551291, 1102582, 2756455, 5512910, 7166783, 14333566, 35833915, 71667830]

約数ペア:

[(1, 71667830), (2, 35833915), (5, 14333566), (10, 7166783), (13, 5512910), (26, 2756455), (65, 1102582), (130, 551291), (169, 424070), (338, 212035), (845, 84814), (1690, 42407)]