13406515

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 16640640

約数和(自身を除く): 3234125

約数列:

[1, 5, 47, 89, 235, 445, 641, 3205, 4183, 20915, 30127, 57049, 150635, 285245, 2681303, 13406515]

約数ペア:

[(1, 13406515), (5, 2681303), (47, 285245), (89, 150635), (235, 57049), (445, 30127), (641, 20915), (3205, 4183)]