247646924

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{20147}}^1$

素因数の和:20597

約数の個数: 24

約数和(自身を含む): 496446720

約数和(自身を除く): 248799796

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1756, 3073, 6146, 12292, 20147, 40294, 80588, 141029, 282058, 564116, 8844533, 17689066, 35378132, 61911731, 123823462, 247646924]

約数ペア:

[(1, 247646924), (2, 123823462), (4, 61911731), (7, 35378132), (14, 17689066), (28, 8844533), (439, 564116), (878, 282058), (1756, 141029), (3073, 80588), (6146, 40294), (12292, 20147)]