12705412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1297}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 23260160

約数和(自身を除く): 10554748

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 1297, 2449, 2594, 4898, 5188, 9796, 40207, 80414, 102463, 160828, 204926, 409852, 3176353, 6352706, 12705412]

約数ペア:

[(1, 12705412), (2, 6352706), (4, 3176353), (31, 409852), (62, 204926), (79, 160828), (124, 102463), (158, 80414), (316, 40207), (1297, 9796), (2449, 5188), (2594, 4898)]