644920264

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{4099}}^1$

素因数の和:4453

約数の個数: 32

約数和(自身を含む): 1230984000

約数和(自身を除く): 586063736

約数列:

[1, 2, 4, 8, 71, 142, 277, 284, 554, 568, 1108, 2216, 4099, 8198, 16396, 19667, 32792, 39334, 78668, 157336, 291029, 582058, 1135423, 1164116, 2270846, 2328232, 4541692, 9083384, 80615033, 161230066, 322460132, 644920264]

約数ペア:

[(1, 644920264), (2, 322460132), (4, 161230066), (8, 80615033), (71, 9083384), (142, 4541692), (277, 2328232), (284, 2270846), (554, 1164116), (568, 1135423), (1108, 582058), (2216, 291029), (4099, 157336), (8198, 78668), (16396, 39334), (19667, 32792)]