890228752

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{81943}}^1$

素因数の和:82055

約数の個数: 40

約数和(自身を含む): 1991566976

約数和(自身を除く): 1101338224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 81943, 163886, 327772, 573601, 655544, 1147202, 1311088, 2294404, 4588808, 7948471, 9177616, 15896942, 31793884, 55639297, 63587768, 111278594, 127175536, 222557188, 445114376, 890228752]

約数ペア:

[(1, 890228752), (2, 445114376), (4, 222557188), (7, 127175536), (8, 111278594), (14, 63587768), (16, 55639297), (28, 31793884), (56, 15896942), (97, 9177616), (112, 7948471), (194, 4588808), (388, 2294404), (679, 1311088), (776, 1147202), (1358, 655544), (1552, 573601), (2716, 327772), (5432, 163886), (10864, 81943)]