85817615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 120657600

約数和(自身を除く): 34839985

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 1105, 2099, 2405, 3145, 8177, 10495, 27287, 35683, 40885, 77663, 136435, 178415, 388315, 463879, 1009619, 1320271, 2319395, 5048095, 6601355, 17163523, 85817615]

約数ペア:

[(1, 85817615), (5, 17163523), (13, 6601355), (17, 5048095), (37, 2319395), (65, 1320271), (85, 1009619), (185, 463879), (221, 388315), (481, 178415), (629, 136435), (1105, 77663), (2099, 40885), (2405, 35683), (3145, 27287), (8177, 10495)]