68486656

素因数分解:

$2^9\times 7^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 80

約数和(自身を含む): 158802336

約数和(自身を除く): 90315680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 197, 224, 256, 388, 394, 448, 512, 679, 776, 788, 896, 1358, 1379, 1552, 1576, 1792, 2716, 2758, 3104, 3152, 3584, 5432, 5516, 6208, 6304, 10864, 11032, 12416, 12608, 19109, 21728, 22064, 24832, 25216, 38218, 43456, 44128, 49664, 50432, 76436, 86912, 88256, 100864, 133763, 152872, 173824, 176512, 267526, 305744, 347648, 353024, 535052, 611488, 706048, 1070104, 1222976, 2140208, 2445952, 4280416, 4891904, 8560832, 9783808, 17121664, 34243328, 68486656]

約数ペア:

[(1, 68486656), (2, 34243328), (4, 17121664), (7, 9783808), (8, 8560832), (14, 4891904), (16, 4280416), (28, 2445952), (32, 2140208), (56, 1222976), (64, 1070104), (97, 706048), (112, 611488), (128, 535052), (194, 353024), (197, 347648), (224, 305744), (256, 267526), (388, 176512), (394, 173824), (448, 152872), (512, 133763), (679, 100864), (776, 88256), (788, 86912), (896, 76436), (1358, 50432), (1379, 49664), (1552, 44128), (1576, 43456), (1792, 38218), (2716, 25216), (2758, 24832), (3104, 22064), (3152, 21728), (3584, 19109), (5432, 12608), (5516, 12416), (6208, 11032), (6304, 10864)]