201772516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{42071}}^1$

素因数の和:42195

約数の個数: 24

約数和(自身を含む): 388745280

約数和(自身を除く): 186972764

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 42071, 84142, 168284, 462781, 925562, 1851124, 4585739, 9171478, 18342956, 50443129, 100886258, 201772516]

約数ペア:

[(1, 201772516), (2, 100886258), (4, 50443129), (11, 18342956), (22, 9171478), (44, 4585739), (109, 1851124), (218, 925562), (436, 462781), (1199, 168284), (2398, 84142), (4796, 42071)]