172999730

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{218987}}^1$

素因数の和:219073

約数の個数: 16

約数和(自身を含む): 315342720

約数和(自身を除く): 142342990

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 218987, 437974, 1094935, 2189870, 17299973, 34599946, 86499865, 172999730]

約数ペア:

[(1, 172999730), (2, 86499865), (5, 34599946), (10, 17299973), (79, 2189870), (158, 1094935), (395, 437974), (790, 218987)]