256901435

素因数分解:

$5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{18869}}^1$

素因数の和:19270

約数の個数: 16

約数和(自身を含む): 353246400

約数和(自身を除く): 96344965

約数列:

[1, 5, 7, 35, 389, 1945, 2723, 13615, 18869, 94345, 132083, 660415, 7340041, 36700205, 51380287, 256901435]

約数ペア:

[(1, 256901435), (5, 51380287), (7, 36700205), (35, 7340041), (389, 660415), (1945, 132083), (2723, 94345), (13615, 18869)]