25128978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2683}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 57716736

約数和(自身を除く): 32587758

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 223, 446, 669, 1338, 1561, 2683, 3122, 4683, 5366, 8049, 9366, 16098, 18781, 37562, 56343, 112686, 598309, 1196618, 1794927, 3589854, 4188163, 8376326, 12564489, 25128978]

約数ペア:

[(1, 25128978), (2, 12564489), (3, 8376326), (6, 4188163), (7, 3589854), (14, 1794927), (21, 1196618), (42, 598309), (223, 112686), (446, 56343), (669, 37562), (1338, 18781), (1561, 16098), (2683, 9366), (3122, 8049), (4683, 5366)]