81821604

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 196435008

約数和(自身を除く): 114613404

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 257, 258, 514, 516, 617, 771, 1028, 1234, 1542, 1851, 2468, 3084, 3702, 7404, 11051, 22102, 26531, 33153, 44204, 53062, 66306, 79593, 106124, 132612, 158569, 159186, 317138, 318372, 475707, 634276, 951414, 1902828, 6818467, 13636934, 20455401, 27273868, 40910802, 81821604]

約数ペア:

[(1, 81821604), (2, 40910802), (3, 27273868), (4, 20455401), (6, 13636934), (12, 6818467), (43, 1902828), (86, 951414), (129, 634276), (172, 475707), (257, 318372), (258, 317138), (514, 159186), (516, 158569), (617, 132612), (771, 106124), (1028, 79593), (1234, 66306), (1542, 53062), (1851, 44204), (2468, 33153), (3084, 26531), (3702, 22102), (7404, 11051)]