90017992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{661897}}^1$

素因数の和:661920

約数の個数: 16

約数和(自身を含む): 178712460

約数和(自身を除く): 88694468

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 661897, 1323794, 2647588, 5295176, 11252249, 22504498, 45008996, 90017992]

約数ペア:

[(1, 90017992), (2, 45008996), (4, 22504498), (8, 11252249), (17, 5295176), (34, 2647588), (68, 1323794), (136, 661897)]