490142737

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{661}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 587895720

約数和(自身を除く): 97752983

約数列:

[1, 7, 37, 49, 259, 409, 661, 1813, 2863, 4627, 15133, 20041, 24457, 32389, 105931, 171199, 270349, 741517, 1198393, 1892443, 10002913, 13247101, 70020391, 490142737]

約数ペア:

[(1, 490142737), (7, 70020391), (37, 13247101), (49, 10002913), (259, 1892443), (409, 1198393), (661, 741517), (1813, 270349), (2863, 171199), (4627, 105931), (15133, 32389), (20041, 24457)]