28478778

素因数分解:

$2^1\times 3^1\times {\mathrm{1223}}^1\times {\mathrm{3881}}^1$

素因数の和:5109

約数の個数: 16

約数和(自身を含む): 57018816

約数和(自身を除く): 28540038

約数列:

[1, 2, 3, 6, 1223, 2446, 3669, 3881, 7338, 7762, 11643, 23286, 4746463, 9492926, 14239389, 28478778]

約数ペア:

[(1, 28478778), (2, 14239389), (3, 9492926), (6, 4746463), (1223, 23286), (2446, 11643), (3669, 7762), (3881, 7338)]