81107585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{6971}}^1$

素因数の和:7168

約数の個数: 16

約数和(自身を含む): 105416640

約数和(自身を除く): 24309055

約数列:

[1, 5, 13, 65, 179, 895, 2327, 6971, 11635, 34855, 90623, 453115, 1247809, 6239045, 16221517, 81107585]

約数ペア:

[(1, 81107585), (5, 16221517), (13, 6239045), (65, 1247809), (179, 453115), (895, 90623), (2327, 34855), (6971, 11635)]