25881751

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1319

約数の個数: 16

約数和(自身を含む): 30702400

約数和(自身を除く): 4820649

約数列:

[1, 7, 49, 61, 343, 427, 1237, 2989, 8659, 20923, 60613, 75457, 424291, 528199, 3697393, 25881751]

約数ペア:

[(1, 25881751), (7, 3697393), (49, 528199), (61, 424291), (343, 75457), (427, 60613), (1237, 20923), (2989, 8659)]