66528910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1109}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 137142720

約数和(自身を除く): 70613810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 857, 1109, 1714, 2218, 4285, 5545, 5999, 7763, 8570, 11090, 11998, 15526, 29995, 38815, 59990, 77630, 950413, 1900826, 4752065, 6652891, 9504130, 13305782, 33264455, 66528910]

約数ペア:

[(1, 66528910), (2, 33264455), (5, 13305782), (7, 9504130), (10, 6652891), (14, 4752065), (35, 1900826), (70, 950413), (857, 77630), (1109, 59990), (1714, 38815), (2218, 29995), (4285, 15526), (5545, 11998), (5999, 11090), (7763, 8570)]