81363190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20809}}^1$

素因数の和:20856

約数の個数: 32

約数和(自身を含む): 161818560

約数和(自身を除く): 80455370

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 20809, 41618, 104045, 208090, 353753, 478607, 707506, 957214, 1768765, 2393035, 3537530, 4786070, 8136319, 16272638, 40681595, 81363190]

約数ペア:

[(1, 81363190), (2, 40681595), (5, 16272638), (10, 8136319), (17, 4786070), (23, 3537530), (34, 2393035), (46, 1768765), (85, 957214), (115, 707506), (170, 478607), (230, 353753), (391, 208090), (782, 104045), (1955, 41618), (3910, 20809)]