28464215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2939}}^1$

素因数の和:3106

約数の個数: 16

約数和(自身を含む): 37044000

約数和(自身を除く): 8579785

約数列:

[1, 5, 13, 65, 149, 745, 1937, 2939, 9685, 14695, 38207, 191035, 437911, 2189555, 5692843, 28464215]

約数ペア:

[(1, 28464215), (5, 5692843), (13, 2189555), (65, 437911), (149, 191035), (745, 38207), (1937, 14695), (2939, 9685)]