13213265

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 18095040

約数和(自身を除く): 4881775

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 823, 845, 1235, 3211, 4115, 10699, 15637, 16055, 53495, 78185, 139087, 203281, 695435, 1016405, 2642653, 13213265]

約数ペア:

[(1, 13213265), (5, 2642653), (13, 1016405), (19, 695435), (65, 203281), (95, 139087), (169, 78185), (247, 53495), (823, 16055), (845, 15637), (1235, 10699), (3211, 4115)]