81386845

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{8447}}^1$

素因数の和:8540

約数の個数: 16

約数和(自身を含む): 102187008

約数和(自身を除く): 20800163

約数列:

[1, 5, 41, 47, 205, 235, 1927, 8447, 9635, 42235, 346327, 397009, 1731635, 1985045, 16277369, 81386845]

約数ペア:

[(1, 81386845), (5, 16277369), (41, 1985045), (47, 1731635), (205, 397009), (235, 346327), (1927, 42235), (8447, 9635)]