128540104

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2939}}^1$

素因数の和:3034

約数の個数: 64

約数和(自身を含む): 304819200

約数和(自身を除く): 176279096

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 568, 616, 781, 994, 1562, 1988, 2939, 3124, 3976, 5467, 5878, 6248, 10934, 11756, 20573, 21868, 23512, 32329, 41146, 43736, 64658, 82292, 129316, 164584, 208669, 226303, 258632, 417338, 452606, 834676, 905212, 1460683, 1669352, 1810424, 2295359, 2921366, 4590718, 5842732, 9181436, 11685464, 16067513, 18362872, 32135026, 64270052, 128540104]

約数ペア:

[(1, 128540104), (2, 64270052), (4, 32135026), (7, 18362872), (8, 16067513), (11, 11685464), (14, 9181436), (22, 5842732), (28, 4590718), (44, 2921366), (56, 2295359), (71, 1810424), (77, 1669352), (88, 1460683), (142, 905212), (154, 834676), (284, 452606), (308, 417338), (497, 258632), (568, 226303), (616, 208669), (781, 164584), (994, 129316), (1562, 82292), (1988, 64658), (2939, 43736), (3124, 41146), (3976, 32329), (5467, 23512), (5878, 21868), (6248, 20573), (10934, 11756)]