28931266

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22709}}^1$

素因数の和:22738

約数の個数: 24

約数和(自身を含む): 54367740

約数和(自身を除く): 25436474

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 22709, 45418, 158963, 295217, 317926, 590434, 1112741, 2066519, 2225482, 4133038, 14465633, 28931266]

約数ペア:

[(1, 28931266), (2, 14465633), (7, 4133038), (13, 2225482), (14, 2066519), (26, 1112741), (49, 590434), (91, 317926), (98, 295217), (182, 158963), (637, 45418), (1274, 22709)]