1251569488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{31177}}^1$

素因数の和:31391

約数の個数: 40

約数和(自身を含む): 2625062888

約数和(自身を除く): 1373493400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 386, 772, 1544, 2509, 3088, 5018, 10036, 20072, 31177, 40144, 62354, 124708, 249416, 405301, 498832, 810602, 1621204, 3242408, 6017161, 6484816, 12034322, 24068644, 48137288, 78223093, 96274576, 156446186, 312892372, 625784744, 1251569488]

約数ペア:

[(1, 1251569488), (2, 625784744), (4, 312892372), (8, 156446186), (13, 96274576), (16, 78223093), (26, 48137288), (52, 24068644), (104, 12034322), (193, 6484816), (208, 6017161), (386, 3242408), (772, 1621204), (1544, 810602), (2509, 498832), (3088, 405301), (5018, 249416), (10036, 124708), (20072, 62354), (31177, 40144)]