12890185

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4783}}^1$

素因数の和:4813

約数の個数: 24

約数和(自身を含む): 19633536

約数和(自身を除く): 6743351

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 4783, 23915, 33481, 52613, 167405, 234367, 263065, 368291, 1171835, 1841455, 2578037, 12890185]

約数ペア:

[(1, 12890185), (5, 2578037), (7, 1841455), (11, 1171835), (35, 368291), (49, 263065), (55, 234367), (77, 167405), (245, 52613), (385, 33481), (539, 23915), (2695, 4783)]