639492086

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 992100960

約数和(自身を除く): 352608874

約数列:

[1, 2, 67, 113, 134, 157, 226, 269, 314, 538, 7571, 10519, 15142, 17741, 18023, 21038, 30397, 35482, 36046, 42233, 60794, 84466, 1188647, 2036599, 2377294, 2829611, 4073198, 4772329, 5659222, 9544658, 319746043, 639492086]

約数ペア:

[(1, 639492086), (2, 319746043), (67, 9544658), (113, 5659222), (134, 4772329), (157, 4073198), (226, 2829611), (269, 2377294), (314, 2036599), (538, 1188647), (7571, 84466), (10519, 60794), (15142, 42233), (17741, 36046), (18023, 35482), (21038, 30397)]