261840878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{437861}}^1$

素因数の和:437899

約数の個数: 16

約数和(自身を含む): 441364896

約数和(自身を除く): 179524018

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 437861, 875722, 5692193, 10070803, 11384386, 20141606, 130920439, 261840878]

約数ペア:

[(1, 261840878), (2, 130920439), (13, 20141606), (23, 11384386), (26, 10070803), (46, 5692193), (299, 875722), (598, 437861)]