28277515

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3623}}^1$

素因数の和:3858

約数の個数: 16

約数和(自身を含む): 38965248

約数和(自身を除く): 10687733

約数列:

[1, 5, 7, 35, 223, 1115, 1561, 3623, 7805, 18115, 25361, 126805, 807929, 4039645, 5655503, 28277515]

約数ペア:

[(1, 28277515), (5, 5655503), (7, 4039645), (35, 807929), (223, 126805), (1115, 25361), (1561, 18115), (3623, 7805)]