25506778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 18845222

約数列:

[1, 2, 11, 19, 22, 38, 139, 209, 278, 418, 439, 878, 1529, 2641, 3058, 4829, 5282, 8341, 9658, 16682, 29051, 58102, 61021, 91751, 122042, 183502, 671231, 1159399, 1342462, 2318798, 12753389, 25506778]

約数ペア:

[(1, 25506778), (2, 12753389), (11, 2318798), (19, 1342462), (22, 1159399), (38, 671231), (139, 183502), (209, 122042), (278, 91751), (418, 61021), (439, 58102), (878, 29051), (1529, 16682), (2641, 9658), (3058, 8341), (4829, 5282)]