172970402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{39509}}^1$

素因数の和:39721

約数の個数: 16

約数和(自身を含む): 284472000

約数和(自身を除く): 111501598

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 39509, 79018, 434599, 869198, 7862291, 15724582, 86485201, 172970402]

約数ペア:

[(1, 172970402), (2, 86485201), (11, 15724582), (22, 7862291), (199, 869198), (398, 434599), (2189, 79018), (4378, 39509)]