268069555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{769}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 360138240

約数和(自身を除く): 92068685

約数列:

[1, 5, 13, 31, 65, 155, 173, 403, 769, 865, 2015, 2249, 3845, 5363, 9997, 11245, 23839, 26815, 49985, 69719, 119195, 133037, 309907, 348595, 665185, 1549535, 1729481, 4124147, 8647405, 20620735, 53613911, 268069555]

約数ペア:

[(1, 268069555), (5, 53613911), (13, 20620735), (31, 8647405), (65, 4124147), (155, 1729481), (173, 1549535), (403, 665185), (769, 348595), (865, 309907), (2015, 133037), (2249, 119195), (3845, 69719), (5363, 49985), (9997, 26815), (11245, 23839)]