12645136

素因数分解:

$2^4\times 7^2\times {\mathrm{127}}^2$

素因数の和:276

約数の個数: 45

約数和(自身を含む): 28726119

約数和(自身を除く): 16080983

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 127, 196, 254, 392, 508, 784, 889, 1016, 1778, 2032, 3556, 6223, 7112, 12446, 14224, 16129, 24892, 32258, 49784, 64516, 99568, 112903, 129032, 225806, 258064, 451612, 790321, 903224, 1580642, 1806448, 3161284, 6322568, 12645136]

約数ペア:

[(1, 12645136), (2, 6322568), (4, 3161284), (7, 1806448), (8, 1580642), (14, 903224), (16, 790321), (28, 451612), (49, 258064), (56, 225806), (98, 129032), (112, 112903), (127, 99568), (196, 64516), (254, 49784), (392, 32258), (508, 24892), (784, 16129), (889, 14224), (1016, 12446), (1778, 7112), (2032, 6223)]