1259157721

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{16319}}^1$

素因数の和:16500

約数の個数: 16

約数和(自身を含む): 1378713600

約数和(自身を除く): 119555879

約数列:

[1, 19, 31, 131, 589, 2489, 4061, 16319, 77159, 310061, 505889, 2137789, 9611891, 40617991, 66271459, 1259157721]

約数ペア:

[(1, 1259157721), (19, 66271459), (31, 40617991), (131, 9611891), (589, 2137789), (2489, 505889), (4061, 310061), (16319, 77159)]