221690131585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{859}}^1\times {\mathrm{9431}}^1$

素因数の和:10729

約数の個数: 32

約数和(自身を含む): 287537160960

約数和(自身を除く): 65847029375

約数列:

[1, 5, 13, 65, 421, 859, 2105, 4295, 5473, 9431, 11167, 27365, 47155, 55835, 122603, 361639, 613015, 1808195, 3970451, 4701307, 8101229, 19852255, 23506535, 40506145, 51615863, 105315977, 258079315, 526579885, 3410617409, 17053087045, 44338026317, 221690131585]

約数ペア:

[(1, 221690131585), (5, 44338026317), (13, 17053087045), (65, 3410617409), (421, 526579885), (859, 258079315), (2105, 105315977), (4295, 51615863), (5473, 40506145), (9431, 23506535), (11167, 19852255), (27365, 8101229), (47155, 4701307), (55835, 3970451), (122603, 1808195), (361639, 613015)]