216828836

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{407573}}^1$

素因数の和:407603

約数の個数: 24

約数和(自身を含む): 456482880

約数和(自身を除く): 239654044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 407573, 815146, 1630292, 2853011, 5706022, 7743887, 11412044, 15487774, 30975548, 54207209, 108414418, 216828836]

約数ペア:

[(1, 216828836), (2, 108414418), (4, 54207209), (7, 30975548), (14, 15487774), (19, 11412044), (28, 7743887), (38, 5706022), (76, 2853011), (133, 1630292), (266, 815146), (532, 407573)]