66880457938

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251430293}}^1$

素因数の和:251430321

約数の個数: 16

約数和(自身を含む): 120686541120

約数和(自身を除く): 53806083182

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 251430293, 502860586, 1760012051, 3520024102, 4777175567, 9554351134, 33440228969, 66880457938]

約数ペア:

[(1, 66880457938), (2, 33440228969), (7, 9554351134), (14, 4777175567), (19, 3520024102), (38, 1760012051), (133, 502860586), (266, 251430293)]