639692012

素因数分解:

$2^2\times {\mathrm{1759}}^1\times {\mathrm{90917}}^1$

素因数の和:92680

約数の個数: 12

約数和(自身を含む): 1120109760

約数和(自身を除く): 480417748

約数列:

[1, 2, 4, 1759, 3518, 7036, 90917, 181834, 363668, 159923003, 319846006, 639692012]

約数ペア:

[(1, 639692012), (2, 319846006), (4, 159923003), (1759, 363668), (3518, 181834), (7036, 90917)]