12989108

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 25561536

約数和(自身を除く): 12572428

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 484, 517, 571, 1034, 1142, 2068, 2284, 5687, 6281, 11374, 12562, 22748, 25124, 26837, 53674, 69091, 107348, 138182, 276364, 295207, 590414, 1180828, 3247277, 6494554, 12989108]

約数ペア:

[(1, 12989108), (2, 6494554), (4, 3247277), (11, 1180828), (22, 590414), (44, 295207), (47, 276364), (94, 138182), (121, 107348), (188, 69091), (242, 53674), (484, 26837), (517, 25124), (571, 22748), (1034, 12562), (1142, 11374), (2068, 6281), (2284, 5687)]