997711351

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{644933}}^1$

素因数の和:644970

約数の個数: 16

約数和(自身を含む): 1300186944

約数和(自身を除く): 302475593

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 644933, 4514531, 8384129, 10963861, 58688903, 76747027, 142530193, 997711351]

約数ペア:

[(1, 997711351), (7, 142530193), (13, 76747027), (17, 58688903), (91, 10963861), (119, 8384129), (221, 4514531), (1547, 644933)]