12686380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90617}}^1$

素因数の和:90633

約数の個数: 24

約数和(自身を含む): 30447648

約数和(自身を除く): 17761268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90617, 181234, 362468, 453085, 634319, 906170, 1268638, 1812340, 2537276, 3171595, 6343190, 12686380]

約数ペア:

[(1, 12686380), (2, 6343190), (4, 3171595), (5, 2537276), (7, 1812340), (10, 1268638), (14, 906170), (20, 634319), (28, 453085), (35, 362468), (70, 181234), (140, 90617)]