210989878

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{661}}^1\times {\mathrm{1319}}^1$

素因数の和:2004

約数の個数: 24

約数和(自身を含む): 348662160

約数和(自身を除く): 137672282

約数列:

[1, 2, 11, 22, 121, 242, 661, 1319, 1322, 2638, 7271, 14509, 14542, 29018, 79981, 159599, 159962, 319198, 871859, 1743718, 9590449, 19180898, 105494939, 210989878]

約数ペア:

[(1, 210989878), (2, 105494939), (11, 19180898), (22, 9590449), (121, 1743718), (242, 871859), (661, 319198), (1319, 159962), (1322, 159599), (2638, 79981), (7271, 29018), (14509, 14542)]