72181772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{12973}}^1$

素因数の和:13097

約数の個数: 24

約数和(自身を含む): 137316816

約数和(自身を除く): 65135044

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 5564, 12973, 25946, 51892, 168649, 337298, 674596, 1388111, 2776222, 5552444, 18045443, 36090886, 72181772]

約数ペア:

[(1, 72181772), (2, 36090886), (4, 18045443), (13, 5552444), (26, 2776222), (52, 1388111), (107, 674596), (214, 337298), (428, 168649), (1391, 51892), (2782, 25946), (5564, 12973)]