81490318

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{447749}}^1$

素因数の和:447771

約数の個数: 16

約数和(自身を含む): 150444000

約数和(自身を除く): 68953682

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 447749, 895498, 3134243, 5820737, 6268486, 11641474, 40745159, 81490318]

約数ペア:

[(1, 81490318), (2, 40745159), (7, 11641474), (13, 6268486), (14, 5820737), (26, 3134243), (91, 895498), (182, 447749)]