642128

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:674

約数の個数: 20

約数和(自身を含む): 1264800

約数和(自身を除く): 622672

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 599, 1072, 1198, 2396, 4792, 9584, 40133, 80266, 160532, 321064, 642128]

約数ペア:

[(1, 642128), (2, 321064), (4, 160532), (8, 80266), (16, 40133), (67, 9584), (134, 4792), (268, 2396), (536, 1198), (599, 1072)]