261156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3109}}^1$

素因数の和:3123

約数の個数: 24

約数和(自身を含む): 696640

約数和(自身を除く): 435484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3109, 6218, 9327, 12436, 18654, 21763, 37308, 43526, 65289, 87052, 130578, 261156]

約数ペア:

[(1, 261156), (2, 130578), (3, 87052), (4, 65289), (6, 43526), (7, 37308), (12, 21763), (14, 18654), (21, 12436), (28, 9327), (42, 6218), (84, 3109)]