78821197

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{50951}}^1$

素因数の和:50988

約数の個数: 16

約数和(自身を含む): 102719232

約数和(自身を除く): 23898035

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 50951, 356657, 662363, 866167, 4636541, 6063169, 11260171, 78821197]

約数ペア:

[(1, 78821197), (7, 11260171), (13, 6063169), (17, 4636541), (91, 866167), (119, 662363), (221, 356657), (1547, 50951)]