399488834

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1\times {\mathrm{5237}}^1$

素因数の和:6169

約数の個数: 16

約数和(自身を含む): 613977408

約数和(自身を除く): 214488574

約数列:

[1, 2, 43, 86, 887, 1774, 5237, 10474, 38141, 76282, 225191, 450382, 4645219, 9290438, 199744417, 399488834]

約数ペア:

[(1, 399488834), (2, 199744417), (43, 9290438), (86, 4645219), (887, 450382), (1774, 225191), (5237, 76282), (10474, 38141)]