261986478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{176779}}^1$

素因数の和:176816

約数の個数: 32

約数和(自身を含む): 593980800

約数和(自身を除く): 331994322

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 176779, 353558, 530337, 1060674, 2298127, 3358801, 4596254, 6717602, 6894381, 10076403, 13788762, 20152806, 43664413, 87328826, 130993239, 261986478]

約数ペア:

[(1, 261986478), (2, 130993239), (3, 87328826), (6, 43664413), (13, 20152806), (19, 13788762), (26, 10076403), (38, 6894381), (39, 6717602), (57, 4596254), (78, 3358801), (114, 2298127), (247, 1060674), (494, 530337), (741, 353558), (1482, 176779)]