87720802

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{2381}}^1$

素因数の和:2518

約数の個数: 24

約数和(自身を含む): 143848980

約数和(自身を除く): 56128178

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 1417, 2381, 2834, 4762, 18421, 30953, 36842, 61906, 259529, 402389, 519058, 804778, 3373877, 6747754, 43860401, 87720802]

約数ペア:

[(1, 87720802), (2, 43860401), (13, 6747754), (26, 3373877), (109, 804778), (169, 519058), (218, 402389), (338, 259529), (1417, 61906), (2381, 36842), (2834, 30953), (4762, 18421)]