71261281

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25261}}^1$

素因数の和:25312

約数の個数: 16

約数和(自身を含む): 90539008

約数和(自身を除く): 19277727

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 25261, 176827, 328393, 783091, 2298751, 5481637, 10180183, 71261281]

約数ペア:

[(1, 71261281), (7, 10180183), (13, 5481637), (31, 2298751), (91, 783091), (217, 328393), (403, 176827), (2821, 25261)]