28624673

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2309}}^1$

素因数の和:2357

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 9296287

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 2309, 12397, 16163, 25399, 53107, 113141, 177793, 371749, 584177, 1244551, 2602243, 4089239, 28624673]

約数ペア:

[(1, 28624673), (7, 4089239), (11, 2602243), (23, 1244551), (49, 584177), (77, 371749), (161, 177793), (253, 113141), (539, 53107), (1127, 25399), (1771, 16163), (2309, 12397)]