128405762

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 209614080

約数和(自身を除く): 81208318

約数列:

[1, 2, 19, 37, 38, 74, 271, 337, 542, 674, 703, 1406, 5149, 6403, 10027, 10298, 12469, 12806, 20054, 24938, 91327, 182654, 190513, 236911, 381026, 473822, 1735213, 3379099, 3470426, 6758198, 64202881, 128405762]

約数ペア:

[(1, 128405762), (2, 64202881), (19, 6758198), (37, 3470426), (38, 3379099), (74, 1735213), (271, 473822), (337, 381026), (542, 236911), (674, 190513), (703, 182654), (1406, 91327), (5149, 24938), (6403, 20054), (10027, 12806), (10298, 12469)]