71382731

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 87754464

約数和(自身を除く): 16371733

約数列:

[1, 7, 23, 37, 161, 259, 521, 529, 851, 3647, 3703, 5957, 11983, 19277, 19573, 83881, 134939, 137011, 275609, 443371, 1929263, 3103597, 10197533, 71382731]

約数ペア:

[(1, 71382731), (7, 10197533), (23, 3103597), (37, 1929263), (161, 443371), (259, 275609), (521, 137011), (529, 134939), (851, 83881), (3647, 19573), (3703, 19277), (5957, 11983)]