1389726715

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{1109}}^1\times {\mathrm{1483}}^1$

素因数の和:2623

約数の個数: 24

約数和(自身を含む): 1808669520

約数和(自身を除く): 418942805

約数列:

[1, 5, 13, 65, 169, 845, 1109, 1483, 5545, 7415, 14417, 19279, 72085, 96395, 187421, 250627, 937105, 1253135, 1644647, 8223235, 21380411, 106902055, 277945343, 1389726715]

約数ペア:

[(1, 1389726715), (5, 277945343), (13, 106902055), (65, 21380411), (169, 8223235), (845, 1644647), (1109, 1253135), (1483, 937105), (5545, 250627), (7415, 187421), (14417, 96395), (19279, 72085)]