81359756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{9421}}^1$

素因数の和:9569

約数の個数: 24

約数和(自身を含む): 151958016

約数和(自身を除く): 70598260

約数列:

[1, 2, 4, 17, 34, 68, 127, 254, 508, 2159, 4318, 8636, 9421, 18842, 37684, 160157, 320314, 640628, 1196467, 2392934, 4785868, 20339939, 40679878, 81359756]

約数ペア:

[(1, 81359756), (2, 40679878), (4, 20339939), (17, 4785868), (34, 2392934), (68, 1196467), (127, 640628), (254, 320314), (508, 160157), (2159, 37684), (4318, 18842), (8636, 9421)]