12781424

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 25986432

約数和(自身を除く): 13205008

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 353, 496, 584, 706, 1168, 1412, 2263, 2824, 4526, 5648, 9052, 10943, 18104, 21886, 25769, 36208, 43772, 51538, 87544, 103076, 175088, 206152, 412304, 798839, 1597678, 3195356, 6390712, 12781424]

約数ペア:

[(1, 12781424), (2, 6390712), (4, 3195356), (8, 1597678), (16, 798839), (31, 412304), (62, 206152), (73, 175088), (124, 103076), (146, 87544), (248, 51538), (292, 43772), (353, 36208), (496, 25769), (584, 21886), (706, 18104), (1168, 10943), (1412, 9052), (2263, 5648), (2824, 4526)]