12890645

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4679}}^1$

素因数の和:4732

約数の個数: 16

約数和(自身を含む): 16848000

約数和(自身を除く): 3957355

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 4679, 23395, 88901, 135691, 444505, 678455, 2578129, 12890645]

約数ペア:

[(1, 12890645), (5, 2578129), (19, 678455), (29, 444505), (95, 135691), (145, 88901), (551, 23395), (2755, 4679)]