4989008

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{3947}}^1$

素因数の和:4034

約数の個数: 20

約数和(自身を含む): 9791040

約数和(自身を除く): 4802032

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 3947, 7894, 15788, 31576, 63152, 311813, 623626, 1247252, 2494504, 4989008]

約数ペア:

[(1, 4989008), (2, 2494504), (4, 1247252), (8, 623626), (16, 311813), (79, 63152), (158, 31576), (316, 15788), (632, 7894), (1264, 3947)]