28810145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2753}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 44416512

約数和(自身を除く): 15606367

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 2753, 10465, 13765, 19271, 35789, 63319, 96355, 178945, 250523, 316595, 443233, 823147, 1252615, 2216165, 4115735, 5762029, 28810145]

約数ペア:

[(1, 28810145), (5, 5762029), (7, 4115735), (13, 2216165), (23, 1252615), (35, 823147), (65, 443233), (91, 316595), (115, 250523), (161, 178945), (299, 96355), (455, 63319), (805, 35789), (1495, 19271), (2093, 13765), (2753, 10465)]