139042015

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2081}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 201470976

約数和(自身を除く): 62428961

約数列:

[1, 5, 7, 23, 35, 83, 115, 161, 415, 581, 805, 1909, 2081, 2905, 9545, 10405, 13363, 14567, 47863, 66815, 72835, 172723, 239315, 335041, 863615, 1209061, 1675205, 3972629, 6045305, 19863145, 27808403, 139042015]

約数ペア:

[(1, 139042015), (5, 27808403), (7, 19863145), (23, 6045305), (35, 3972629), (83, 1675205), (115, 1209061), (161, 863615), (415, 335041), (581, 239315), (805, 172723), (1909, 72835), (2081, 66815), (2905, 47863), (9545, 14567), (10405, 13363)]