64440817

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 75013120

約数和(自身を除く): 10572303

約数列:

[1, 7, 103, 139, 643, 721, 973, 4501, 14317, 66229, 89377, 100219, 463603, 625639, 9205831, 64440817]

約数ペア:

[(1, 64440817), (7, 9205831), (103, 625639), (139, 463603), (643, 100219), (721, 89377), (973, 66229), (4501, 14317)]