87639305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2447}}^1$

素因数の和:2513

約数の個数: 32

約数和(自身を含む): 123379200

約数和(自身を除く): 35739895

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 377, 551, 1235, 1885, 2447, 2755, 7163, 12235, 31811, 35815, 46493, 70963, 159055, 232465, 354815, 604409, 922519, 1348297, 3022045, 4612595, 6741485, 17527861, 87639305]

約数ペア:

[(1, 87639305), (5, 17527861), (13, 6741485), (19, 4612595), (29, 3022045), (65, 1348297), (95, 922519), (145, 604409), (247, 354815), (377, 232465), (551, 159055), (1235, 70963), (1885, 46493), (2447, 35815), (2755, 31811), (7163, 12235)]