12643565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7927}}^1$

素因数の和:7972

約数の個数: 16

約数和(自身を含む): 17124480

約数和(自身を除く): 4480915

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 7927, 39635, 87197, 229883, 435985, 1149415, 2528713, 12643565]

約数ペア:

[(1, 12643565), (5, 2528713), (11, 1149415), (29, 435985), (55, 229883), (145, 87197), (319, 39635), (1595, 7927)]