80912215

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{1621}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 99266400

約数和(自身を除く): 18354185

約数列:

[1, 5, 67, 149, 335, 745, 1621, 8105, 9983, 49915, 108607, 241529, 543035, 1207645, 16182443, 80912215]

約数ペア:

[(1, 80912215), (5, 16182443), (67, 1207645), (149, 543035), (335, 241529), (745, 108607), (1621, 49915), (8105, 9983)]