439993580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1692283}}^1$

素因数の和:1692305

約数の個数: 24

約数和(自身を含む): 995062992

約数和(自身を除く): 555069412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1692283, 3384566, 6769132, 8461415, 16922830, 21999679, 33845660, 43999358, 87998716, 109998395, 219996790, 439993580]

約数ペア:

[(1, 439993580), (2, 219996790), (4, 109998395), (5, 87998716), (10, 43999358), (13, 33845660), (20, 21999679), (26, 16922830), (52, 8461415), (65, 6769132), (130, 3384566), (260, 1692283)]