256897081

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113621}}^1$

素因数の和:113664

約数の個数: 16

約数和(自身を含む): 327231360

約数和(自身を除く): 70334279

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 113621, 795347, 1931557, 2158799, 13520899, 15111593, 36699583, 256897081]

約数ペア:

[(1, 256897081), (7, 36699583), (17, 15111593), (19, 13520899), (119, 2158799), (133, 1931557), (323, 795347), (2261, 113621)]