256509838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{580339}}^1$

素因数の和:580371

約数の個数: 16

約数和(自身を含む): 438737040

約数和(自身を除く): 182227202

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 580339, 1160678, 7544407, 9865763, 15088814, 19731526, 128254919, 256509838]

約数ペア:

[(1, 256509838), (2, 128254919), (13, 19731526), (17, 15088814), (26, 9865763), (34, 7544407), (221, 1160678), (442, 580339)]