81519508

素因数分解:

$2^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{7933}}^1$

素因数の和:8311

約数の個数: 24

約数和(自身を含む): 163503872

約数和(自身を除く): 81984364

約数列:

[1, 2, 4, 7, 14, 28, 367, 734, 1468, 2569, 5138, 7933, 10276, 15866, 31732, 55531, 111062, 222124, 2911411, 5822822, 11645644, 20379877, 40759754, 81519508]

約数ペア:

[(1, 81519508), (2, 40759754), (4, 20379877), (7, 11645644), (14, 5822822), (28, 2911411), (367, 222124), (734, 111062), (1468, 55531), (2569, 31732), (5138, 15866), (7933, 10276)]