428498785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1201}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 605808000

約数和(自身を除く): 177309215

約数列:

[1, 5, 11, 13, 55, 65, 143, 499, 715, 1201, 2495, 5489, 6005, 6487, 13211, 15613, 27445, 32435, 66055, 71357, 78065, 171743, 356785, 599299, 858715, 2996495, 6592289, 7790887, 32961445, 38954435, 85699757, 428498785]

約数ペア:

[(1, 428498785), (5, 85699757), (11, 38954435), (13, 32961445), (55, 7790887), (65, 6592289), (143, 2996495), (499, 858715), (715, 599299), (1201, 356785), (2495, 171743), (5489, 78065), (6005, 71357), (6487, 66055), (13211, 32435), (15613, 27445)]