30972854

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1132

約数の個数: 24

約数和(自身を含む): 51509304

約数和(自身を除く): 20536450

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 977, 1441, 1954, 2882, 10747, 15851, 21494, 31702, 118217, 127987, 236434, 255974, 1407857, 2815714, 15486427, 30972854]

約数ペア:

[(1, 30972854), (2, 15486427), (11, 2815714), (22, 1407857), (121, 255974), (131, 236434), (242, 127987), (262, 118217), (977, 31702), (1441, 21494), (1954, 15851), (2882, 10747)]