80637193

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 101604552

約数和(自身を除く): 20967359

約数列:

[1, 7, 13, 49, 91, 277, 457, 637, 1939, 3199, 3601, 5941, 13573, 22393, 25207, 41587, 126589, 176449, 291109, 886123, 1645657, 6202861, 11519599, 80637193]

約数ペア:

[(1, 80637193), (7, 11519599), (13, 6202861), (49, 1645657), (91, 886123), (277, 291109), (457, 176449), (637, 126589), (1939, 41587), (3199, 25207), (3601, 22393), (5941, 13573)]