209136385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{4871}}^1$

素因数の和:5184

約数の個数: 16

約数和(自身を含む): 260047872

約数和(自身を除く): 50911487

約数列:

[1, 5, 31, 155, 277, 1385, 4871, 8587, 24355, 42935, 151001, 755005, 1349267, 6746335, 41827277, 209136385]

約数ペア:

[(1, 209136385), (5, 41827277), (31, 6746335), (155, 1349267), (277, 755005), (1385, 151001), (4871, 42935), (8587, 24355)]