206981188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 398369664

約数和(自身を除く): 191388476

約数列:

[1, 2, 4, 17, 34, 43, 68, 71, 86, 142, 172, 284, 731, 997, 1207, 1462, 1994, 2414, 2924, 3053, 3988, 4828, 6106, 12212, 16949, 33898, 42871, 51901, 67796, 70787, 85742, 103802, 141574, 171484, 207604, 283148, 728807, 1203379, 1457614, 2406758, 2915228, 3043841, 4813516, 6087682, 12175364, 51745297, 103490594, 206981188]

約数ペア:

[(1, 206981188), (2, 103490594), (4, 51745297), (17, 12175364), (34, 6087682), (43, 4813516), (68, 3043841), (71, 2915228), (86, 2406758), (142, 1457614), (172, 1203379), (284, 728807), (731, 283148), (997, 207604), (1207, 171484), (1462, 141574), (1994, 103802), (2414, 85742), (2924, 70787), (3053, 67796), (3988, 51901), (4828, 42871), (6106, 33898), (12212, 16949)]