254203478

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{8389}}^1$

素因数の和:8639

約数の個数: 16

約数和(自身を含む): 387618000

約数和(自身を除く): 133414522

約数列:

[1, 2, 109, 139, 218, 278, 8389, 15151, 16778, 30302, 914401, 1166071, 1828802, 2332142, 127101739, 254203478]

約数ペア:

[(1, 254203478), (2, 127101739), (109, 2332142), (139, 1828802), (218, 1166071), (278, 914401), (8389, 30302), (15151, 16778)]