643322264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1129}}^1\times {\mathrm{5479}}^1$

素因数の和:6627

約数の個数: 32

約数和(自身を含む): 1300404000

約数和(自身を除く): 657081736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1129, 2258, 4516, 5479, 9032, 10958, 14677, 21916, 29354, 43832, 58708, 71227, 117416, 142454, 284908, 569816, 6185791, 12371582, 24743164, 49486328, 80415283, 160830566, 321661132, 643322264]

約数ペア:

[(1, 643322264), (2, 321661132), (4, 160830566), (8, 80415283), (13, 49486328), (26, 24743164), (52, 12371582), (104, 6185791), (1129, 569816), (2258, 284908), (4516, 142454), (5479, 117416), (9032, 71227), (10958, 58708), (14677, 43832), (21916, 29354)]