81147005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{8293}}^1$

素因数の和:8420

約数の個数: 16

約数和(自身を含む): 103509120

約数和(自身を除く): 22362115

約数列:

[1, 5, 19, 95, 103, 515, 1957, 8293, 9785, 41465, 157567, 787835, 854179, 4270895, 16229401, 81147005]

約数ペア:

[(1, 81147005), (5, 16229401), (19, 4270895), (95, 854179), (103, 787835), (515, 157567), (1957, 41465), (8293, 9785)]