289264048

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{42943}}^1$

素因数の和:43372

約数の個数: 20

約数和(自身を含む): 561793408

約数和(自身を除く): 272529360

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 42943, 85886, 171772, 343544, 687088, 18079003, 36158006, 72316012, 144632024, 289264048]

約数ペア:

[(1, 289264048), (2, 144632024), (4, 72316012), (8, 36158006), (16, 18079003), (421, 687088), (842, 343544), (1684, 171772), (3368, 85886), (6736, 42943)]