1287122228

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1998637}}^1$

素因数の和:1998671

約数の個数: 24

約数和(自身を含む): 2686169472

約数和(自身を除く): 1399047244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1998637, 3997274, 7994548, 13990459, 27980918, 45968651, 55961836, 91937302, 183874604, 321780557, 643561114, 1287122228]

約数ペア:

[(1, 1287122228), (2, 643561114), (4, 321780557), (7, 183874604), (14, 91937302), (23, 55961836), (28, 45968651), (46, 27980918), (92, 13990459), (161, 7994548), (322, 3997274), (644, 1998637)]