68688676

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{5827}}^1$

素因数の和:6259

約数の個数: 24

約数和(自身を含む): 137727296

約数和(自身を除く): 69038620

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5827, 5894, 11654, 11788, 23308, 40789, 81578, 163156, 2453167, 4906334, 9812668, 17172169, 34344338, 68688676]

約数ペア:

[(1, 68688676), (2, 34344338), (4, 17172169), (7, 9812668), (14, 4906334), (28, 2453167), (421, 163156), (842, 81578), (1684, 40789), (2947, 23308), (5827, 11788), (5894, 11654)]