31512514

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:882

約数の個数: 24

約数和(自身を含む): 52299324

約数和(自身を除く): 20786810

約数列:

[1, 2, 11, 22, 121, 197, 242, 394, 661, 1322, 2167, 4334, 7271, 14542, 23837, 47674, 79981, 130217, 159962, 260434, 1432387, 2864774, 15756257, 31512514]

約数ペア:

[(1, 31512514), (2, 15756257), (11, 2864774), (22, 1432387), (121, 260434), (197, 159962), (242, 130217), (394, 79981), (661, 47674), (1322, 23837), (2167, 14542), (4334, 7271)]