28121526

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 65525760

約数和(自身を除く): 37404234

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 107, 157, 186, 214, 279, 314, 321, 471, 558, 642, 837, 942, 963, 1413, 1674, 1926, 2826, 2889, 3317, 4239, 4867, 5778, 6634, 8478, 9734, 9951, 14601, 16799, 19902, 29202, 29853, 33598, 43803, 50397, 59706, 87606, 89559, 100794, 131409, 151191, 179118, 262818, 302382, 453573, 520769, 907146, 1041538, 1562307, 3124614, 4686921, 9373842, 14060763, 28121526]

約数ペア:

[(1, 28121526), (2, 14060763), (3, 9373842), (6, 4686921), (9, 3124614), (18, 1562307), (27, 1041538), (31, 907146), (54, 520769), (62, 453573), (93, 302382), (107, 262818), (157, 179118), (186, 151191), (214, 131409), (279, 100794), (314, 89559), (321, 87606), (471, 59706), (558, 50397), (642, 43803), (837, 33598), (942, 29853), (963, 29202), (1413, 19902), (1674, 16799), (1926, 14601), (2826, 9951), (2889, 9734), (3317, 8478), (4239, 6634), (4867, 5778)]