663670165

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1\times {\mathrm{4153}}^1$

素因数の和:5220

約数の個数: 16

約数和(自身を含む): 823090176

約数和(自身を除く): 159420011

約数列:

[1, 5, 31, 155, 1031, 4153, 5155, 20765, 31961, 128743, 159805, 643715, 4281743, 21408715, 132734033, 663670165]

約数ペア:

[(1, 663670165), (5, 132734033), (31, 21408715), (155, 4281743), (1031, 643715), (4153, 159805), (5155, 128743), (20765, 31961)]