219390721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{8419}}^1$

素因数の和:8556

約数の個数: 16

約数和(自身を含む): 252195840

約数和(自身を除く): 32805119

約数列:

[1, 11, 23, 103, 253, 1133, 2369, 8419, 26059, 92609, 193637, 867157, 2130007, 9538727, 19944611, 219390721]

約数ペア:

[(1, 219390721), (11, 19944611), (23, 9538727), (103, 2130007), (253, 867157), (1133, 193637), (2369, 92609), (8419, 26059)]