640830194

素因数分解:

$2^1\times {\mathrm{223}}^1\times {\mathrm{593}}^1\times {\mathrm{2423}}^1$

素因数の和:3241

約数の個数: 16

約数和(自身を含む): 967583232

約数和(自身を除く): 326753038

約数列:

[1, 2, 223, 446, 593, 1186, 2423, 4846, 132239, 264478, 540329, 1080658, 1436839, 2873678, 320415097, 640830194]

約数ペア:

[(1, 640830194), (2, 320415097), (223, 2873678), (446, 1436839), (593, 1080658), (1186, 540329), (2423, 264478), (4846, 132239)]