11564215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2106

約数の個数: 16

約数和(自身を含む): 15120000

約数和(自身を除く): 3555785

約数列:

[1, 5, 13, 65, 89, 445, 1157, 1999, 5785, 9995, 25987, 129935, 177911, 889555, 2312843, 11564215]

約数ペア:

[(1, 11564215), (5, 2312843), (13, 889555), (65, 177911), (89, 129935), (445, 25987), (1157, 9995), (1999, 5785)]