39826171

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 51932016

約数和(自身を除く): 12105845

約数列:

[1, 7, 11, 37, 49, 77, 259, 407, 539, 1813, 1997, 2849, 13979, 19943, 21967, 73889, 97853, 153769, 517223, 812779, 1076383, 3620561, 5689453, 39826171]

約数ペア:

[(1, 39826171), (7, 5689453), (11, 3620561), (37, 1076383), (49, 812779), (77, 517223), (259, 153769), (407, 97853), (539, 73889), (1813, 21967), (1997, 19943), (2849, 13979)]