128511808

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:399

約数の個数: 56

約数和(自身を含む): 261266432

約数和(自身を除く): 132754624

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 127, 163, 194, 254, 326, 388, 508, 652, 776, 1016, 1304, 1552, 2032, 2608, 3104, 4064, 5216, 6208, 8128, 10432, 12319, 15811, 20701, 24638, 31622, 41402, 49276, 63244, 82804, 98552, 126488, 165608, 197104, 252976, 331216, 394208, 505952, 662432, 788416, 1011904, 1324864, 2007997, 4015994, 8031988, 16063976, 32127952, 64255904, 128511808]

約数ペア:

[(1, 128511808), (2, 64255904), (4, 32127952), (8, 16063976), (16, 8031988), (32, 4015994), (64, 2007997), (97, 1324864), (127, 1011904), (163, 788416), (194, 662432), (254, 505952), (326, 394208), (388, 331216), (508, 252976), (652, 197104), (776, 165608), (1016, 126488), (1304, 98552), (1552, 82804), (2032, 63244), (2608, 49276), (3104, 41402), (4064, 31622), (5216, 24638), (6208, 20701), (8128, 15811), (10432, 12319)]