393625897

素因数分解:

$7^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1\times {\mathrm{719}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 453911040

約数和(自身を除く): 60285143

約数列:

[1, 7, 197, 397, 719, 1379, 2779, 5033, 78209, 141643, 285443, 547463, 991501, 1998101, 56232271, 393625897]

約数ペア:

[(1, 393625897), (7, 56232271), (197, 1998101), (397, 991501), (719, 547463), (1379, 285443), (2779, 141643), (5033, 78209)]