28679365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40111}}^1$

素因数の和:40140

約数の個数: 16

約数和(自身を含む): 40432896

約数和(自身を除く): 11753531

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 40111, 200555, 441221, 521443, 2206105, 2607215, 5735873, 28679365]

約数ペア:

[(1, 28679365), (5, 5735873), (11, 2607215), (13, 2206105), (55, 521443), (65, 441221), (143, 200555), (715, 40111)]