2021895265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{2351}}^1$

素因数の和:2601

約数の個数: 32

約数和(自身を含む): 2660055552

約数和(自身を除く): 638160287

約数列:

[1, 5, 13, 65, 101, 131, 505, 655, 1313, 1703, 2351, 6565, 8515, 11755, 13231, 30563, 66155, 152815, 172003, 237451, 307981, 860015, 1187255, 1539905, 3086863, 4003753, 15434315, 20018765, 31106081, 155530405, 404379053, 2021895265]

約数ペア:

[(1, 2021895265), (5, 404379053), (13, 155530405), (65, 31106081), (101, 20018765), (131, 15434315), (505, 4003753), (655, 3086863), (1313, 1539905), (1703, 1187255), (2351, 860015), (6565, 307981), (8515, 237451), (11755, 172003), (13231, 152815), (30563, 66155)]