13890305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19427}}^1$

素因数の和:19456

約数の個数: 16

約数和(自身を含む): 19583424

約数和(自身を除く): 5693119

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 19427, 97135, 213697, 252551, 1068485, 1262755, 2778061, 13890305]

約数ペア:

[(1, 13890305), (5, 2778061), (11, 1262755), (13, 1068485), (55, 252551), (65, 213697), (143, 97135), (715, 19427)]