2989865473

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{395119}}^1$

素因数の和:395196

約数の個数: 16

約数和(自身を含む): 3641425920

約数和(自身を除く): 651560447

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 395119, 2765833, 9087737, 18570593, 63614159, 129994151, 427123639, 2989865473]

約数ペア:

[(1, 2989865473), (7, 427123639), (23, 129994151), (47, 63614159), (161, 18570593), (329, 9087737), (1081, 2765833), (7567, 395119)]