28478270

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9157}}^1$

素因数の和:9475

約数の個数: 16

約数和(自身を含む): 51431328

約数和(自身を除く): 22953058

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 9157, 18314, 45785, 91570, 2847827, 5695654, 14239135, 28478270]

約数ペア:

[(1, 28478270), (2, 14239135), (5, 5695654), (10, 2847827), (311, 91570), (622, 45785), (1555, 18314), (3110, 9157)]