1720172

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 3145296

約数和(自身を除く): 1425124

約数列:

[1, 2, 4, 43, 73, 86, 137, 146, 172, 274, 292, 548, 3139, 5891, 6278, 10001, 11782, 12556, 20002, 23564, 40004, 430043, 860086, 1720172]

約数ペア:

[(1, 1720172), (2, 860086), (4, 430043), (43, 40004), (73, 23564), (86, 20002), (137, 12556), (146, 11782), (172, 10001), (274, 6278), (292, 5891), (548, 3139)]