28458518530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218911681}}^1$

素因数の和:218911701

約数の個数: 16

約数和(自身を含む): 55165743864

約数和(自身を除く): 26707225334

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218911681, 437823362, 1094558405, 2189116810, 2845851853, 5691703706, 14229259265, 28458518530]

約数ペア:

[(1, 28458518530), (2, 14229259265), (5, 5691703706), (10, 2845851853), (13, 2189116810), (26, 1094558405), (65, 437823362), (130, 218911681)]