2051433215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^2$

素因数の和:2067

約数の個数: 24

約数和(自身を含む): 2739316608

約数和(自身を除く): 687883393

約数列:

[1, 5, 13, 31, 65, 155, 403, 1009, 2015, 5045, 13117, 31279, 65585, 156395, 406627, 1018081, 2033135, 5090405, 13235053, 31560511, 66175265, 157802555, 410286643, 2051433215]

約数ペア:

[(1, 2051433215), (5, 410286643), (13, 157802555), (31, 66175265), (65, 31560511), (155, 13235053), (403, 5090405), (1009, 2033135), (2015, 1018081), (5045, 406627), (13117, 156395), (31279, 65585)]