16380155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{691}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 21523968

約数和(自身を除く): 5143813

約数列:

[1, 5, 11, 55, 431, 691, 2155, 3455, 4741, 7601, 23705, 38005, 297821, 1489105, 3276031, 16380155]

約数ペア:

[(1, 16380155), (5, 3276031), (11, 1489105), (55, 297821), (431, 38005), (691, 23705), (2155, 7601), (3455, 4741)]