12979148

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 28252224

約数和(自身を除く): 15273076

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 181, 182, 197, 362, 364, 394, 724, 788, 1267, 1379, 2353, 2534, 2561, 2758, 4706, 5068, 5122, 5516, 9412, 10244, 16471, 17927, 32942, 35657, 35854, 65884, 71314, 71708, 142628, 249599, 463541, 499198, 927082, 998396, 1854164, 3244787, 6489574, 12979148]

約数ペア:

[(1, 12979148), (2, 6489574), (4, 3244787), (7, 1854164), (13, 998396), (14, 927082), (26, 499198), (28, 463541), (52, 249599), (91, 142628), (181, 71708), (182, 71314), (197, 65884), (362, 35854), (364, 35657), (394, 32942), (724, 17927), (788, 16471), (1267, 10244), (1379, 9412), (2353, 5516), (2534, 5122), (2561, 5068), (2758, 4706)]