7128905

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1367}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 9849600

約数和(自身を除く): 2720695

約数列:

[1, 5, 7, 35, 149, 745, 1043, 1367, 5215, 6835, 9569, 47845, 203683, 1018415, 1425781, 7128905]

約数ペア:

[(1, 7128905), (5, 1425781), (7, 1018415), (35, 203683), (149, 47845), (745, 9569), (1043, 6835), (1367, 5215)]