866340865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{325081}}^1$

素因数の和:325140

約数の個数: 16

約数和(自身を含む): 1146889296

約数和(自身を除く): 280548431

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 325081, 1625405, 4226053, 13328321, 21130265, 66641605, 173268173, 866340865]

約数ペア:

[(1, 866340865), (5, 173268173), (13, 66641605), (41, 21130265), (65, 13328321), (205, 4226053), (533, 1625405), (2665, 325081)]