28733290

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9239}}^1$

素因数の和:9557

約数の個数: 16

約数和(自身を含む): 51891840

約数和(自身を除く): 23158550

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 9239, 18478, 46195, 92390, 2873329, 5746658, 14366645, 28733290]

約数ペア:

[(1, 28733290), (2, 14366645), (5, 5746658), (10, 2873329), (311, 92390), (622, 46195), (1555, 18478), (3110, 9239)]