199985884

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{56239}}^1$

素因数の和:56377

約数の個数: 24

約数和(自身を含む): 403128320

約数和(自身を除く): 203142436

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 56239, 112478, 224956, 393673, 787346, 1574692, 7142353, 14284706, 28569412, 49996471, 99992942, 199985884]

約数ペア:

[(1, 199985884), (2, 99992942), (4, 49996471), (7, 28569412), (14, 14284706), (28, 7142353), (127, 1574692), (254, 787346), (508, 393673), (889, 224956), (1778, 112478), (3556, 56239)]