142821385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{733}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 207164160

約数和(自身を除く): 64342775

約数列:

[1, 5, 7, 19, 35, 95, 133, 293, 665, 733, 1465, 2051, 3665, 5131, 5567, 10255, 13927, 25655, 27835, 38969, 69635, 97489, 194845, 214769, 487445, 1073845, 1503383, 4080611, 7516915, 20403055, 28564277, 142821385]

約数ペア:

[(1, 142821385), (5, 28564277), (7, 20403055), (19, 7516915), (35, 4080611), (95, 1503383), (133, 1073845), (293, 487445), (665, 214769), (733, 194845), (1465, 97489), (2051, 69635), (3665, 38969), (5131, 27835), (5567, 25655), (10255, 13927)]