4031279

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 20

約数和(自身を含む): 4974576

約数和(自身を除く): 943297

約数列:

[1, 7, 23, 49, 73, 161, 343, 511, 1127, 1679, 2401, 3577, 7889, 11753, 25039, 55223, 82271, 175273, 575897, 4031279]

約数ペア:

[(1, 4031279), (7, 575897), (23, 175273), (49, 82271), (73, 55223), (161, 25039), (343, 11753), (511, 7889), (1127, 3577), (1679, 2401)]