28241317

素因数分解:

${\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 31136112

約数和(自身を除く): 2894795

約数列:

[1, 13, 101, 137, 157, 1313, 1781, 2041, 13837, 15857, 21509, 179881, 206141, 279617, 2172409, 28241317]

約数ペア:

[(1, 28241317), (13, 2172409), (101, 279617), (137, 206141), (157, 179881), (1313, 21509), (1781, 15857), (2041, 13837)]