217620116

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{56731}}^1$

素因数の和:56879

約数の個数: 24

約数和(自身を含む): 438424896

約数和(自身を除く): 220804780

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 56731, 113462, 226924, 397117, 794234, 1588468, 7772147, 15544294, 31088588, 54405029, 108810058, 217620116]

約数ペア:

[(1, 217620116), (2, 108810058), (4, 54405029), (7, 31088588), (14, 15544294), (28, 7772147), (137, 1588468), (274, 794234), (548, 397117), (959, 226924), (1918, 113462), (3836, 56731)]