25581991

素因数分解:

${\mathrm{17}}^3\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 16

約数和(自身を含む): 28062720

約数和(自身を除く): 2480729

約数列:

[1, 17, 41, 127, 289, 697, 2159, 4913, 5207, 11849, 36703, 88519, 201433, 623951, 1504823, 25581991]

約数ペア:

[(1, 25581991), (17, 1504823), (41, 623951), (127, 201433), (289, 88519), (697, 36703), (2159, 11849), (4913, 5207)]