251016986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{1151}}^1$

素因数の和:1618

約数の個数: 32

約数和(自身を含む): 429981696

約数和(自身を除く): 178964710

約数列:

[1, 2, 11, 22, 23, 46, 253, 431, 506, 862, 1151, 2302, 4741, 9482, 9913, 12661, 19826, 25322, 26473, 52946, 109043, 218086, 291203, 496081, 582406, 992162, 5456891, 10913782, 11409863, 22819726, 125508493, 251016986]

約数ペア:

[(1, 251016986), (2, 125508493), (11, 22819726), (22, 11409863), (23, 10913782), (46, 5456891), (253, 992162), (431, 582406), (506, 496081), (862, 291203), (1151, 218086), (2302, 109043), (4741, 52946), (9482, 26473), (9913, 25322), (12661, 19826)]