1268157779

素因数分解:

$7^4\times {\mathrm{271}}^1\times {\mathrm{1949}}^1$

素因数の和:2248

約数の個数: 20

約数和(自身を含む): 1485650400

約数和(自身を除く): 217492621

約数列:

[1, 7, 49, 271, 343, 1897, 1949, 2401, 13279, 13643, 92953, 95501, 528179, 650671, 668507, 3697253, 4679549, 25880771, 181165397, 1268157779]

約数ペア:

[(1, 1268157779), (7, 181165397), (49, 25880771), (271, 4679549), (343, 3697253), (1897, 668507), (1949, 650671), (2401, 528179), (13279, 95501), (13643, 92953)]