64781570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40237}}^1$

素因数の和:40274

約数の個数: 32

約数和(自身を含む): 139062528

約数和(自身を除く): 74280958

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 40237, 80474, 201185, 281659, 402370, 563318, 925451, 1408295, 1850902, 2816590, 4627255, 6478157, 9254510, 12956314, 32390785, 64781570]

約数ペア:

[(1, 64781570), (2, 32390785), (5, 12956314), (7, 9254510), (10, 6478157), (14, 4627255), (23, 2816590), (35, 1850902), (46, 1408295), (70, 925451), (115, 563318), (161, 402370), (230, 281659), (322, 201185), (805, 80474), (1610, 40237)]