639766978558

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1\times {\mathrm{38603}}^1$

素因数の和:39376

約数の個数: 32

約数和(自身を含む): 979550866944

約数和(自身を除く): 339783888386

約数列:

[1, 2, 67, 134, 337, 367, 674, 734, 22579, 24589, 38603, 45158, 49178, 77206, 123679, 247358, 2586401, 5172802, 8286493, 13009211, 14167301, 16572986, 26018422, 28334602, 871617137, 949209167, 1743234274, 1898418334, 4774380437, 9548760874, 319883489279, 639766978558]

約数ペア:

[(1, 639766978558), (2, 319883489279), (67, 9548760874), (134, 4774380437), (337, 1898418334), (367, 1743234274), (674, 949209167), (734, 871617137), (22579, 28334602), (24589, 26018422), (38603, 16572986), (45158, 14167301), (49178, 13009211), (77206, 8286493), (123679, 5172802), (247358, 2586401)]