208816510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{4513}}^1$

素因数の和:5188

約数の個数: 32

約数和(自身を含む): 430310592

約数和(自身を除く): 221494082

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 661, 1322, 3305, 4513, 4627, 6610, 9026, 9254, 22565, 23135, 31591, 45130, 46270, 63182, 157955, 315910, 2983093, 5966186, 14915465, 20881651, 29830930, 41763302, 104408255, 208816510]

約数ペア:

[(1, 208816510), (2, 104408255), (5, 41763302), (7, 29830930), (10, 20881651), (14, 14915465), (35, 5966186), (70, 2983093), (661, 315910), (1322, 157955), (3305, 63182), (4513, 46270), (4627, 45130), (6610, 31591), (9026, 23135), (9254, 22565)]