858595870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{19661}}^1$

素因数の和:20076

約数の個数: 32

約数和(自身を含む): 1690302816

約数和(自身を除く): 831706946

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 794, 1985, 3970, 4367, 8734, 19661, 21835, 39322, 43670, 98305, 196610, 216271, 432542, 1081355, 2162710, 7805417, 15610834, 39027085, 78054170, 85859587, 171719174, 429297935, 858595870]

約数ペア:

[(1, 858595870), (2, 429297935), (5, 171719174), (10, 85859587), (11, 78054170), (22, 39027085), (55, 15610834), (110, 7805417), (397, 2162710), (794, 1081355), (1985, 432542), (3970, 216271), (4367, 196610), (8734, 98305), (19661, 43670), (21835, 39322)]