72985315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 100800000

約数和(自身を除く): 27814685

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 377, 403, 899, 1249, 1885, 2015, 4495, 6245, 11687, 16237, 36221, 38719, 58435, 81185, 181105, 193595, 470873, 503347, 1122851, 2354365, 2516735, 5614255, 14597063, 72985315]

約数ペア:

[(1, 72985315), (5, 14597063), (13, 5614255), (29, 2516735), (31, 2354365), (65, 1122851), (145, 503347), (155, 470873), (377, 193595), (403, 181105), (899, 81185), (1249, 58435), (1885, 38719), (2015, 36221), (4495, 16237), (6245, 11687)]