213933890

素因数分解:

$2^1\times 5^1\times {\mathrm{3889}}^1\times {\mathrm{5501}}^1$

素因数の和:9397

約数の個数: 16

約数和(自身を含む): 385250040

約数和(自身を除く): 171316150

約数列:

[1, 2, 5, 10, 3889, 5501, 7778, 11002, 19445, 27505, 38890, 55010, 21393389, 42786778, 106966945, 213933890]

約数ペア:

[(1, 213933890), (2, 106966945), (5, 42786778), (10, 21393389), (3889, 55010), (5501, 38890), (7778, 27505), (11002, 19445)]