28001545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{39163}}^1$

素因数の和:39192

約数の個数: 16

約数和(自身を含む): 39477312

約数和(自身を除く): 11475767

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 39163, 195815, 430793, 509119, 2153965, 2545595, 5600309, 28001545]

約数ペア:

[(1, 28001545), (5, 5600309), (11, 2545595), (13, 2153965), (55, 509119), (65, 430793), (143, 195815), (715, 39163)]