64390678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{12781}}^1$

素因数の和:13023

約数の個数: 16

約数和(自身を含む): 105834960

約数和(自身を除く): 41444282

約数列:

[1, 2, 11, 22, 229, 458, 2519, 5038, 12781, 25562, 140591, 281182, 2926849, 5853698, 32195339, 64390678]

約数ペア:

[(1, 64390678), (2, 32195339), (11, 5853698), (22, 2926849), (229, 281182), (458, 140591), (2519, 25562), (5038, 12781)]