200721334

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{19289}}^1$

素因数の和:19356

約数の個数: 24

約数和(自身を含む): 338655240

約数和(自身を除く): 137933906

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 5203, 10406, 19289, 38578, 212179, 424358, 829427, 1658854, 2333969, 4667938, 9123697, 18247394, 100360667, 200721334]

約数ペア:

[(1, 200721334), (2, 100360667), (11, 18247394), (22, 9123697), (43, 4667938), (86, 2333969), (121, 1658854), (242, 829427), (473, 424358), (946, 212179), (5203, 38578), (10406, 19289)]