420626

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 16

約数和(自身を含む): 664224

約数和(自身を除く): 243598

約数列:

[1, 2, 43, 67, 73, 86, 134, 146, 2881, 3139, 4891, 5762, 6278, 9782, 210313, 420626]

約数ペア:

[(1, 420626), (2, 210313), (43, 9782), (67, 6278), (73, 5762), (86, 4891), (134, 3139), (146, 2881)]