12939568

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 26337600

約数和(自身を除く): 13398032

約数列:

[1, 2, 4, 8, 16, 29, 58, 79, 116, 158, 232, 316, 353, 464, 632, 706, 1264, 1412, 2291, 2824, 4582, 5648, 9164, 10237, 18328, 20474, 27887, 36656, 40948, 55774, 81896, 111548, 163792, 223096, 446192, 808723, 1617446, 3234892, 6469784, 12939568]

約数ペア:

[(1, 12939568), (2, 6469784), (4, 3234892), (8, 1617446), (16, 808723), (29, 446192), (58, 223096), (79, 163792), (116, 111548), (158, 81896), (232, 55774), (316, 40948), (353, 36656), (464, 27887), (632, 20474), (706, 18328), (1264, 10237), (1412, 9164), (2291, 5648), (2824, 4582)]