199977992

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{2551}}^1$

素因数の和:2837

約数の個数: 32

約数和(自身を含む): 385862400

約数和(自身を除く): 185884408

約数列:

[1, 2, 4, 8, 41, 82, 164, 239, 328, 478, 956, 1912, 2551, 5102, 9799, 10204, 19598, 20408, 39196, 78392, 104591, 209182, 418364, 609689, 836728, 1219378, 2438756, 4877512, 24997249, 49994498, 99988996, 199977992]

約数ペア:

[(1, 199977992), (2, 99988996), (4, 49994498), (8, 24997249), (41, 4877512), (82, 2438756), (164, 1219378), (239, 836728), (328, 609689), (478, 418364), (956, 209182), (1912, 104591), (2551, 78392), (5102, 39196), (9799, 20408), (10204, 19598)]