643746532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1125431}}^1$

素因数の和:1125459

約数の個数: 24

約数和(自身を含む): 1323508032

約数和(自身を除く): 679761500

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 1125431, 2250862, 4501724, 12379741, 14630603, 24759482, 29261206, 49518964, 58522412, 160936633, 321873266, 643746532]

約数ペア:

[(1, 643746532), (2, 321873266), (4, 160936633), (11, 58522412), (13, 49518964), (22, 29261206), (26, 24759482), (44, 14630603), (52, 12379741), (143, 4501724), (286, 2250862), (572, 1125431)]