2680778894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{281063}}^1$

素因数の和:281335

約数の個数: 16

約数和(自身を含む): 4249687680

約数和(自身を除く): 1568908786

約数列:

[1, 2, 19, 38, 251, 502, 4769, 9538, 281063, 562126, 5340197, 10680394, 70546813, 141093626, 1340389447, 2680778894]

約数ペア:

[(1, 2680778894), (2, 1340389447), (19, 141093626), (38, 70546813), (251, 10680394), (502, 5340197), (4769, 562126), (9538, 281063)]