64828988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{523}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 137329920

約数和(自身を除く): 72500932

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 233, 266, 466, 523, 532, 932, 1046, 1631, 2092, 3262, 3661, 4427, 6524, 7322, 8854, 9937, 14644, 17708, 19874, 30989, 39748, 61978, 69559, 121859, 123956, 139118, 243718, 278236, 487436, 853013, 1706026, 2315321, 3412052, 4630642, 9261284, 16207247, 32414494, 64828988]

約数ペア:

[(1, 64828988), (2, 32414494), (4, 16207247), (7, 9261284), (14, 4630642), (19, 3412052), (28, 2315321), (38, 1706026), (76, 853013), (133, 487436), (233, 278236), (266, 243718), (466, 139118), (523, 123956), (532, 121859), (932, 69559), (1046, 61978), (1631, 39748), (2092, 30989), (3262, 19874), (3661, 17708), (4427, 14644), (6524, 9937), (7322, 8854)]