256468681

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{27281}}^1$

素因数の和:27384

約数の個数: 16

約数和(自身を含む): 314288640

約数和(自身を除く): 57819959

約数列:

[1, 7, 17, 79, 119, 553, 1343, 9401, 27281, 190967, 463777, 2155199, 3246439, 15086393, 36638383, 256468681]

約数ペア:

[(1, 256468681), (7, 36638383), (17, 15086393), (79, 3246439), (119, 2155199), (553, 463777), (1343, 190967), (9401, 27281)]