87015478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2339}}^1$

素因数の和:2460

約数の個数: 32

約数和(自身を含む): 151632000

約数和(自身を除く): 64616522

約数列:

[1, 2, 11, 19, 22, 38, 89, 178, 209, 418, 979, 1691, 1958, 2339, 3382, 4678, 18601, 25729, 37202, 44441, 51458, 88882, 208171, 416342, 488851, 977702, 2289881, 3955249, 4579762, 7910498, 43507739, 87015478]

約数ペア:

[(1, 87015478), (2, 43507739), (11, 7910498), (19, 4579762), (22, 3955249), (38, 2289881), (89, 977702), (178, 488851), (209, 416342), (418, 208171), (979, 88882), (1691, 51458), (1958, 44441), (2339, 37202), (3382, 25729), (4678, 18601)]