81857748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{974497}}^1$

素因数の和:974511

約数の個数: 24

約数和(自身を含む): 218287552

約数和(自身を除く): 136429804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 974497, 1948994, 2923491, 3897988, 5846982, 6821479, 11693964, 13642958, 20464437, 27285916, 40928874, 81857748]

約数ペア:

[(1, 81857748), (2, 40928874), (3, 27285916), (4, 20464437), (6, 13642958), (7, 11693964), (12, 6821479), (14, 5846982), (21, 3897988), (28, 2923491), (42, 1948994), (84, 974497)]