1256654704

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 2558121984

約数和(自身を除く): 1301467280

約数列:

[1, 2, 4, 8, 16, 43, 73, 86, 131, 146, 172, 191, 262, 292, 344, 382, 524, 584, 688, 764, 1048, 1168, 1528, 2096, 3056, 3139, 5633, 6278, 8213, 9563, 11266, 12556, 13943, 16426, 19126, 22532, 25021, 25112, 27886, 32852, 38252, 45064, 50042, 50224, 55772, 65704, 76504, 90128, 100084, 111544, 131408, 153008, 200168, 223088, 400336, 411209, 599549, 822418, 1075903, 1199098, 1644836, 1826533, 2151806, 2398196, 3289672, 3653066, 4303612, 4796392, 6579344, 7306132, 8607224, 9592784, 14612264, 17214448, 29224528, 78540919, 157081838, 314163676, 628327352, 1256654704]

約数ペア:

[(1, 1256654704), (2, 628327352), (4, 314163676), (8, 157081838), (16, 78540919), (43, 29224528), (73, 17214448), (86, 14612264), (131, 9592784), (146, 8607224), (172, 7306132), (191, 6579344), (262, 4796392), (292, 4303612), (344, 3653066), (382, 3289672), (524, 2398196), (584, 2151806), (688, 1826533), (764, 1644836), (1048, 1199098), (1168, 1075903), (1528, 822418), (2096, 599549), (3056, 411209), (3139, 400336), (5633, 223088), (6278, 200168), (8213, 153008), (9563, 131408), (11266, 111544), (12556, 100084), (13943, 90128), (16426, 76504), (19126, 65704), (22532, 55772), (25021, 50224), (25112, 50042), (27886, 45064), (32852, 38252)]