1239144865

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1142069}}^1$

素因数の和:1142112

約数の個数: 16

約数和(自身を含む): 1754219520

約数和(自身を除く): 515074655

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 1142069, 5710345, 7994483, 35404139, 39972415, 177020695, 247828973, 1239144865]

約数ペア:

[(1, 1239144865), (5, 247828973), (7, 177020695), (31, 39972415), (35, 35404139), (155, 7994483), (217, 5710345), (1085, 1142069)]