81657955

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{3389}}^1$

素因数の和:3534

約数の個数: 16

約数和(自身を含む): 100886400

約数和(自身を除く): 19228445

約数列:

[1, 5, 61, 79, 305, 395, 3389, 4819, 16945, 24095, 206729, 267731, 1033645, 1338655, 16331591, 81657955]

約数ペア:

[(1, 81657955), (5, 16331591), (61, 1338655), (79, 1033645), (305, 267731), (395, 206729), (3389, 24095), (4819, 16945)]