218542945

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1\times {\mathrm{1409}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 266929920

約数和(自身を除く): 48386975

約数列:

[1, 5, 67, 335, 463, 1409, 2315, 7045, 31021, 94403, 155105, 472015, 652367, 3261835, 43708589, 218542945]

約数ペア:

[(1, 218542945), (5, 43708589), (67, 3261835), (335, 652367), (463, 472015), (1409, 155105), (2315, 94403), (7045, 31021)]