3937538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2011}}^1$

素因数の和:2113

約数の個数: 16

約数和(自身を含む): 6518880

約数和(自身を除く): 2581342

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 2011, 4022, 22121, 44242, 178979, 357958, 1968769, 3937538]

約数ペア:

[(1, 3937538), (2, 1968769), (11, 357958), (22, 178979), (89, 44242), (178, 22121), (979, 4022), (1958, 2011)]