123721195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{28409}}^1$

素因数の和:28494

約数の個数: 16

約数和(自身を含む): 162277920

約数和(自身を除く): 38556725

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 28409, 142045, 369317, 1846585, 1903403, 9517015, 24744239, 123721195]

約数ペア:

[(1, 123721195), (5, 24744239), (13, 9517015), (65, 1903403), (67, 1846585), (335, 369317), (871, 142045), (4355, 28409)]