66246905

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1031}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 81139968

約数和(自身を除く): 14893063

約数列:

[1, 5, 71, 181, 355, 905, 1031, 5155, 12851, 64255, 73201, 186611, 366005, 933055, 13249381, 66246905]

約数ペア:

[(1, 66246905), (5, 13249381), (71, 933055), (181, 366005), (355, 186611), (905, 73201), (1031, 64255), (5155, 12851)]