223831660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{860891}}^1$

素因数の和:860913

約数の個数: 24

約数和(自身を含む): 506204496

約数和(自身を除く): 282372836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 860891, 1721782, 3443564, 4304455, 8608910, 11191583, 17217820, 22383166, 44766332, 55957915, 111915830, 223831660]

約数ペア:

[(1, 223831660), (2, 111915830), (4, 55957915), (5, 44766332), (10, 22383166), (13, 17217820), (20, 11191583), (26, 8608910), (52, 4304455), (65, 3443564), (130, 1721782), (260, 860891)]