201820549

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{1489}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 248841920

約数和(自身を除く): 47021371

約数列:

[1, 7, 17, 67, 119, 289, 469, 1139, 1489, 2023, 7973, 10423, 19363, 25313, 99763, 135541, 177191, 430321, 698341, 1695971, 3012247, 11871797, 28831507, 201820549]

約数ペア:

[(1, 201820549), (7, 28831507), (17, 11871797), (67, 3012247), (119, 1695971), (289, 698341), (469, 430321), (1139, 177191), (1489, 135541), (2023, 99763), (7973, 25313), (10423, 19363)]