1556552312

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{391487}}^1$

素因数の和:391571

約数の個数: 32

約数和(自身を含む): 3382456320

約数和(自身を除く): 1825904008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 391487, 782974, 1565948, 2740409, 3131896, 5480818, 10961636, 21923272, 27795577, 55591154, 111182308, 194569039, 222364616, 389138078, 778276156, 1556552312]

約数ペア:

[(1, 1556552312), (2, 778276156), (4, 389138078), (7, 222364616), (8, 194569039), (14, 111182308), (28, 55591154), (56, 27795577), (71, 21923272), (142, 10961636), (284, 5480818), (497, 3131896), (568, 2740409), (994, 1565948), (1988, 782974), (3976, 391487)]