393638399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{222269}}^1$

素因数の和:222310

約数の個数: 16

約数和(自身を含む): 512110080

約数和(自身を除く): 118471681

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 222269, 1555883, 2444959, 5112187, 17114713, 35785309, 56234057, 393638399]

約数ペア:

[(1, 393638399), (7, 56234057), (11, 35785309), (23, 17114713), (77, 5112187), (161, 2444959), (253, 1555883), (1771, 222269)]