31819684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2381}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 60226488

約数和(自身を除く): 28406804

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 2381, 3341, 4762, 6682, 9524, 13364, 30953, 61906, 123812, 611917, 1223834, 2447668, 7954921, 15909842, 31819684]

約数ペア:

[(1, 31819684), (2, 15909842), (4, 7954921), (13, 2447668), (26, 1223834), (52, 611917), (257, 123812), (514, 61906), (1028, 30953), (2381, 13364), (3341, 9524), (4762, 6682)]