247756658

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1\times {\mathrm{2179}}^1$

素因数の和:2729

約数の個数: 16

約数和(自身を含む): 375396000

約数和(自身を除く): 127639342

約数列:

[1, 2, 139, 278, 409, 818, 2179, 4358, 56851, 113702, 302881, 605762, 891211, 1782422, 123878329, 247756658]

約数ペア:

[(1, 247756658), (2, 123878329), (139, 1782422), (278, 891211), (409, 605762), (818, 302881), (2179, 113702), (4358, 56851)]