418405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 16

約数和(自身を含む): 557424

約数和(自身を除く): 139019

約数列:

[1, 5, 13, 41, 65, 157, 205, 533, 785, 2041, 2665, 6437, 10205, 32185, 83681, 418405]

約数ペア:

[(1, 418405), (5, 83681), (13, 32185), (41, 10205), (65, 6437), (157, 2665), (205, 2041), (533, 785)]