256216521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{12791}}^1$

素因数の和:13412

約数の個数: 16

約数和(自身を含む): 373321728

約数和(自身を除く): 117105207

約数列:

[1, 3, 11, 33, 607, 1821, 6677, 12791, 20031, 38373, 140701, 422103, 7764137, 23292411, 85405507, 256216521]

約数ペア:

[(1, 256216521), (3, 85405507), (11, 23292411), (33, 7764137), (607, 422103), (1821, 140701), (6677, 38373), (12791, 20031)]