2557724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 4878048

約数和(自身を除く): 2320324

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 487, 974, 1313, 1948, 2626, 5252, 6331, 12662, 25324, 49187, 98374, 196748, 639431, 1278862, 2557724]

約数ペア:

[(1, 2557724), (2, 1278862), (4, 639431), (13, 196748), (26, 98374), (52, 49187), (101, 25324), (202, 12662), (404, 6331), (487, 5252), (974, 2626), (1313, 1948)]