67780778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{23917}}^1$

素因数の和:24041

約数の個数: 16

約数和(自身を含む): 110501160

約数和(自身を除く): 42720382

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 23917, 47834, 310921, 621842, 2606953, 5213906, 33890389, 67780778]

約数ペア:

[(1, 67780778), (2, 33890389), (13, 5213906), (26, 2606953), (109, 621842), (218, 310921), (1417, 47834), (2834, 23917)]