1639207615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{556607}}^1$

素因数の和:556662

約数の個数: 16

約数和(自身を含む): 2137374720

約数和(自身を除く): 498167105

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 556607, 2783035, 10575533, 17254817, 52877665, 86274085, 327841523, 1639207615]

約数ペア:

[(1, 1639207615), (5, 327841523), (19, 86274085), (31, 52877665), (95, 17254817), (155, 10575533), (589, 2783035), (2945, 556607)]