25880907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 14035893

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 659, 689, 741, 1007, 1977, 2067, 3021, 8567, 12521, 13091, 25701, 34927, 37563, 39273, 104781, 162773, 454051, 488319, 663613, 1362153, 1990839, 8626969, 25880907]

約数ペア:

[(1, 25880907), (3, 8626969), (13, 1990839), (19, 1362153), (39, 663613), (53, 488319), (57, 454051), (159, 162773), (247, 104781), (659, 39273), (689, 37563), (741, 34927), (1007, 25701), (1977, 13091), (2067, 12521), (3021, 8567)]