258636976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{11621}}^1$

素因数の和:11749

約数の個数: 40

約数和(自身を含む): 544746384

約数和(自身を除く): 286109408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 1391, 1712, 2782, 5564, 11128, 11621, 22256, 23242, 46484, 92968, 151073, 185936, 302146, 604292, 1208584, 1243447, 2417168, 2486894, 4973788, 9947576, 16164811, 19895152, 32329622, 64659244, 129318488, 258636976]

約数ペア:

[(1, 258636976), (2, 129318488), (4, 64659244), (8, 32329622), (13, 19895152), (16, 16164811), (26, 9947576), (52, 4973788), (104, 2486894), (107, 2417168), (208, 1243447), (214, 1208584), (428, 604292), (856, 302146), (1391, 185936), (1712, 151073), (2782, 92968), (5564, 46484), (11128, 23242), (11621, 22256)]