349319089

素因数分解:

$7^4\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2094

約数の個数: 20

約数和(自身を含む): 413304356

約数和(自身を除く): 63985267

約数列:

[1, 7, 49, 73, 343, 511, 1993, 2401, 3577, 13951, 25039, 97657, 145489, 175273, 683599, 1018423, 4785193, 7128961, 49902727, 349319089]

約数ペア:

[(1, 349319089), (7, 49902727), (49, 7128961), (73, 4785193), (343, 1018423), (511, 683599), (1993, 175273), (2401, 145489), (3577, 97657), (13951, 25039)]