199908085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{20641}}^1$

素因数の和:20808

約数の個数: 16

約数和(自身を含む): 260089200

約数和(自身を除く): 60181115

約数列:

[1, 5, 13, 65, 149, 745, 1937, 9685, 20641, 103205, 268333, 1341665, 3075509, 15377545, 39981617, 199908085]

約数ペア:

[(1, 199908085), (5, 39981617), (13, 15377545), (65, 3075509), (149, 1341665), (745, 268333), (1937, 103205), (9685, 20641)]