7742021

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 9725760

約数和(自身を除く): 1983739

約数列:

[1, 7, 17, 43, 89, 119, 289, 301, 623, 731, 1513, 2023, 3827, 5117, 10591, 12427, 25721, 26789, 65059, 86989, 180047, 455413, 1106003, 7742021]

約数ペア:

[(1, 7742021), (7, 1106003), (17, 455413), (43, 180047), (89, 86989), (119, 65059), (289, 26789), (301, 25721), (623, 12427), (731, 10591), (1513, 5117), (2023, 3827)]