28712826

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{7489}}^1$

素因数の和:7571

約数の個数: 32

約数和(自身を含む): 64713600

約数和(自身を除く): 36000774

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 7489, 14978, 22467, 44934, 67401, 134802, 202203, 404406, 531719, 1063438, 1595157, 3190314, 4785471, 9570942, 14356413, 28712826]

約数ペア:

[(1, 28712826), (2, 14356413), (3, 9570942), (6, 4785471), (9, 3190314), (18, 1595157), (27, 1063438), (54, 531719), (71, 404406), (142, 202203), (213, 134802), (426, 67401), (639, 44934), (1278, 22467), (1917, 14978), (3834, 7489)]