990305

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 16

約数和(自身を含む): 1255824

約数和(自身を除く): 265519

約数列:

[1, 5, 37, 53, 101, 185, 265, 505, 1961, 3737, 5353, 9805, 18685, 26765, 198061, 990305]

約数ペア:

[(1, 990305), (5, 198061), (37, 26765), (53, 18685), (101, 9805), (185, 5353), (265, 3737), (505, 1961)]