257130802

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{9851}}^1$

素因数の和:10305

約数の個数: 16

約数和(自身を含む): 399124224

約数和(自身を除く): 141993422

約数列:

[1, 2, 31, 62, 421, 842, 9851, 13051, 19702, 26102, 305381, 610762, 4147271, 8294542, 128565401, 257130802]

約数ペア:

[(1, 257130802), (2, 128565401), (31, 8294542), (62, 4147271), (421, 610762), (842, 305381), (9851, 26102), (13051, 19702)]