40478459

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:784

約数の個数: 20

約数和(自身を含む): 49342416

約数和(自身を除く): 8863957

約数列:

[1, 7, 23, 49, 161, 343, 733, 1127, 2401, 5131, 7889, 16859, 35917, 55223, 118013, 251419, 826091, 1759933, 5782637, 40478459]

約数ペア:

[(1, 40478459), (7, 5782637), (23, 1759933), (49, 826091), (161, 251419), (343, 118013), (733, 55223), (1127, 35917), (2401, 16859), (5131, 7889)]