28278738

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{6113}}^1$

素因数の和:6378

約数の個数: 24

約数和(自身を含む): 61519068

約数和(自身を除く): 33240330

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4626, 6113, 12226, 18339, 36678, 55017, 110034, 1571041, 3142082, 4713123, 9426246, 14139369, 28278738]

約数ペア:

[(1, 28278738), (2, 14139369), (3, 9426246), (6, 4713123), (9, 3142082), (18, 1571041), (257, 110034), (514, 55017), (771, 36678), (1542, 18339), (2313, 12226), (4626, 6113)]