81157664

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19069}}^1$

素因数の和:19105

約数の個数: 48

約数和(自身を含む): 192225600

約数和(自身を除く): 111067936

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 19069, 38138, 76276, 133483, 152552, 266966, 305104, 362311, 533932, 610208, 724622, 1067864, 1449244, 2135728, 2536177, 2898488, 4271456, 5072354, 5796976, 10144708, 11593952, 20289416, 40578832, 81157664]

約数ペア:

[(1, 81157664), (2, 40578832), (4, 20289416), (7, 11593952), (8, 10144708), (14, 5796976), (16, 5072354), (19, 4271456), (28, 2898488), (32, 2536177), (38, 2135728), (56, 1449244), (76, 1067864), (112, 724622), (133, 610208), (152, 533932), (224, 362311), (266, 305104), (304, 266966), (532, 152552), (608, 133483), (1064, 76276), (2128, 38138), (4256, 19069)]