12981256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2083}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 26258400

約数和(自身を除く): 13277144

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 2083, 3116, 4166, 6232, 8332, 16664, 39577, 79154, 85403, 158308, 170806, 316616, 341612, 683224, 1622657, 3245314, 6490628, 12981256]

約数ペア:

[(1, 12981256), (2, 6490628), (4, 3245314), (8, 1622657), (19, 683224), (38, 341612), (41, 316616), (76, 170806), (82, 158308), (152, 85403), (164, 79154), (328, 39577), (779, 16664), (1558, 8332), (2083, 6232), (3116, 4166)]