252661578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{140837}}^1$

素因数の和:140878

約数の個数: 32

約数和(自身を含む): 567858816

約数和(自身を除く): 315197238

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 140837, 281674, 422511, 845022, 1830881, 3239251, 3661762, 5492643, 6478502, 9717753, 10985286, 19435506, 42110263, 84220526, 126330789, 252661578]

約数ペア:

[(1, 252661578), (2, 126330789), (3, 84220526), (6, 42110263), (13, 19435506), (23, 10985286), (26, 9717753), (39, 6478502), (46, 5492643), (69, 3661762), (78, 3239251), (138, 1830881), (299, 845022), (598, 422511), (897, 281674), (1794, 140837)]