217416188

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 423816288

約数和(自身を除く): 206400100

約数列:

[1, 2, 4, 11, 22, 44, 97, 121, 194, 242, 388, 421, 484, 842, 1067, 1331, 1684, 2134, 2662, 4268, 4631, 5324, 9262, 11737, 18524, 23474, 40837, 46948, 50941, 81674, 101882, 129107, 163348, 203764, 258214, 449207, 516428, 560351, 898414, 1120702, 1796828, 2241404, 4941277, 9882554, 19765108, 54354047, 108708094, 217416188]

約数ペア:

[(1, 217416188), (2, 108708094), (4, 54354047), (11, 19765108), (22, 9882554), (44, 4941277), (97, 2241404), (121, 1796828), (194, 1120702), (242, 898414), (388, 560351), (421, 516428), (484, 449207), (842, 258214), (1067, 203764), (1331, 163348), (1684, 129107), (2134, 101882), (2662, 81674), (4268, 50941), (4631, 46948), (5324, 40837), (9262, 23474), (11737, 18524)]