390804764

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{51503}}^1$

素因数の和:51785

約数の個数: 24

約数和(自身を含む): 784508928

約数和(自身を除く): 393704164

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1897, 3794, 7588, 51503, 103006, 206012, 360521, 721042, 1442084, 13957313, 27914626, 55829252, 97701191, 195402382, 390804764]

約数ペア:

[(1, 390804764), (2, 195402382), (4, 97701191), (7, 55829252), (14, 27914626), (28, 13957313), (271, 1442084), (542, 721042), (1084, 360521), (1897, 206012), (3794, 103006), (7588, 51503)]