12156976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:509

約数の個数: 40

約数和(自身を含む): 25578224

約数和(自身を除く): 13421248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 277, 422, 554, 844, 1108, 1688, 2216, 2743, 3376, 3601, 4432, 5486, 7202, 10972, 14404, 21944, 28808, 43888, 57616, 58447, 116894, 233788, 467576, 759811, 935152, 1519622, 3039244, 6078488, 12156976]

約数ペア:

[(1, 12156976), (2, 6078488), (4, 3039244), (8, 1519622), (13, 935152), (16, 759811), (26, 467576), (52, 233788), (104, 116894), (208, 58447), (211, 57616), (277, 43888), (422, 28808), (554, 21944), (844, 14404), (1108, 10972), (1688, 7202), (2216, 5486), (2743, 4432), (3376, 3601)]