90143564

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{19751}}^1$

素因数の和:19925

約数の個数: 24

約数和(自身を含む): 181402368

約数和(自身を除く): 91258804

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 19751, 39502, 79004, 138257, 276514, 553028, 3219413, 6438826, 12877652, 22535891, 45071782, 90143564]

約数ペア:

[(1, 90143564), (2, 45071782), (4, 22535891), (7, 12877652), (14, 6438826), (28, 3219413), (163, 553028), (326, 276514), (652, 138257), (1141, 79004), (2282, 39502), (4564, 19751)]