71997289

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41641}}^1$

素因数の和:41680

約数の個数: 16

約数和(自身を含む): 93278080

約数和(自身を除く): 21280791

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 41641, 291487, 541333, 791179, 3789331, 5538253, 10285327, 71997289]

約数ペア:

[(1, 71997289), (7, 10285327), (13, 5538253), (19, 3789331), (91, 791179), (133, 541333), (247, 291487), (1729, 41641)]