664840136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{2680807}}^1$

素因数の和:2680844

約数の個数: 16

約数和(自身を含む): 1286787840

約数和(自身を除く): 621947704

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 2680807, 5361614, 10723228, 21446456, 83105017, 166210034, 332420068, 664840136]

約数ペア:

[(1, 664840136), (2, 332420068), (4, 166210034), (8, 83105017), (31, 21446456), (62, 10723228), (124, 5361614), (248, 2680807)]