25885209

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6257}}^1$

素因数の和:6464

約数の個数: 16

約数和(自身を含む): 39650688

約数和(自身を除く): 13765479

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 6257, 18771, 43799, 131397, 1232629, 3697887, 8628403, 25885209]

約数ペア:

[(1, 25885209), (3, 8628403), (7, 3697887), (21, 1232629), (197, 131397), (591, 43799), (1379, 18771), (4137, 6257)]