7981253

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 9642240

約数和(自身を除く): 1660987

約数列:

[1, 7, 23, 89, 161, 557, 623, 2047, 3899, 12811, 14329, 49573, 89677, 347011, 1140179, 7981253]

約数ペア:

[(1, 7981253), (7, 1140179), (23, 347011), (89, 89677), (161, 49573), (557, 14329), (623, 12811), (2047, 3899)]