1291298407

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{17863}}^1$

素因数の和:18342

約数の個数: 16

約数和(自身を含む): 1543449600

約数和(自身を除く): 252151193

約数列:

[1, 7, 23, 161, 449, 3143, 10327, 17863, 72289, 125041, 410849, 2875943, 8020487, 56143409, 184471201, 1291298407]

約数ペア:

[(1, 1291298407), (7, 184471201), (23, 56143409), (161, 8020487), (449, 2875943), (3143, 410849), (10327, 125041), (17863, 72289)]