219399528025

素因数分解:

$5^2\times {\mathrm{7639}}^1\times {\mathrm{1148839}}^1$

素因数の和:1156488

約数の個数: 12

約数和(自身を含む): 272091265600

約数和(自身を除く): 52691737575

約数列:

[1, 5, 25, 7639, 38195, 190975, 1148839, 5744195, 28720975, 8775981121, 43879905605, 219399528025]

約数ペア:

[(1, 219399528025), (5, 43879905605), (25, 8775981121), (7639, 28720975), (38195, 5744195), (190975, 1148839)]