25478164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2447}}^1$

素因数の和:2607

約数の個数: 24

約数和(自身を含む): 47295360

約数和(自身を除く): 21817196

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2447, 2603, 4894, 5206, 9788, 10412, 46493, 92986, 185972, 335239, 670478, 1340956, 6369541, 12739082, 25478164]

約数ペア:

[(1, 25478164), (2, 12739082), (4, 6369541), (19, 1340956), (38, 670478), (76, 335239), (137, 185972), (274, 92986), (548, 46493), (2447, 10412), (2603, 9788), (4894, 5206)]