81317110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1979}}^1$

素因数の和:2580

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 86333450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 587, 1174, 1979, 2935, 3958, 4109, 5870, 8218, 9895, 13853, 19790, 20545, 27706, 41090, 69265, 138530, 1161673, 2323346, 5808365, 8131711, 11616730, 16263422, 40658555, 81317110]

約数ペア:

[(1, 81317110), (2, 40658555), (5, 16263422), (7, 11616730), (10, 8131711), (14, 5808365), (35, 2323346), (70, 1161673), (587, 138530), (1174, 69265), (1979, 41090), (2935, 27706), (3958, 20545), (4109, 19790), (5870, 13853), (8218, 9895)]