222395551

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1\times {\mathrm{1489}}^1$

素因数の和:2638

約数の個数: 16

約数和(自身を含む): 267961600

約数和(自身を除く): 45566049

約数列:

[1, 7, 19, 133, 1123, 1489, 7861, 10423, 21337, 28291, 149359, 198037, 1672147, 11705029, 31770793, 222395551]

約数ペア:

[(1, 222395551), (7, 31770793), (19, 11705029), (133, 1672147), (1123, 198037), (1489, 149359), (7861, 28291), (10423, 21337)]