16779215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1051}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 21006336

約数和(自身を除く): 4227121

約数列:

[1, 5, 31, 103, 155, 515, 1051, 3193, 5255, 15965, 32581, 108253, 162905, 541265, 3355843, 16779215]

約数ペア:

[(1, 16779215), (5, 3355843), (31, 541265), (103, 162905), (155, 108253), (515, 32581), (1051, 15965), (3193, 5255)]