1972161712

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{123631}}^1$

素因数の和:124636

約数の個数: 20

約数和(自身を含む): 3824926816

約数和(自身を除く): 1852765104

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 15952, 123631, 247262, 494524, 989048, 1978096, 123260107, 246520214, 493040428, 986080856, 1972161712]

約数ペア:

[(1, 1972161712), (2, 986080856), (4, 493040428), (8, 246520214), (16, 123260107), (997, 1978096), (1994, 989048), (3988, 494524), (7976, 247262), (15952, 123631)]