263375231

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{10979}}^1$

素因数の和:11158

約数の個数: 16

約数和(自身を含む): 316224000

約数和(自身を除く): 52848769

約数列:

[1, 7, 23, 149, 161, 1043, 3427, 10979, 23989, 76853, 252517, 1635871, 1767619, 11451097, 37625033, 263375231]

約数ペア:

[(1, 263375231), (7, 37625033), (23, 11451097), (149, 1767619), (161, 1635871), (1043, 252517), (3427, 76853), (10979, 23989)]