28163212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 62496000

約数和(自身を除く): 34332788

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1342, 1499, 1708, 2684, 2998, 4697, 5996, 9394, 10493, 16489, 18788, 20986, 32978, 41972, 65956, 91439, 115423, 182878, 230846, 365756, 461692, 640073, 1005829, 1280146, 2011658, 2560292, 4023316, 7040803, 14081606, 28163212]

約数ペア:

[(1, 28163212), (2, 14081606), (4, 7040803), (7, 4023316), (11, 2560292), (14, 2011658), (22, 1280146), (28, 1005829), (44, 640073), (61, 461692), (77, 365756), (122, 230846), (154, 182878), (244, 115423), (308, 91439), (427, 65956), (671, 41972), (854, 32978), (1342, 20986), (1499, 18788), (1708, 16489), (2684, 10493), (2998, 9394), (4697, 5996)]