9919885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 12948120

約数和(自身を除く): 3028235

約数列:

[1, 5, 29, 37, 43, 145, 185, 215, 1073, 1247, 1591, 1849, 5365, 6235, 7955, 9245, 46139, 53621, 68413, 230695, 268105, 342065, 1983977, 9919885]

約数ペア:

[(1, 9919885), (5, 1983977), (29, 342065), (37, 268105), (43, 230695), (145, 68413), (185, 53621), (215, 46139), (1073, 9245), (1247, 7955), (1591, 6235), (1849, 5365)]