17978713

素因数分解:

${\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 19123776

約数和(自身を除く): 1145063

約数列:

[1, 53, 61, 67, 83, 3233, 3551, 4087, 4399, 5063, 5561, 216611, 268339, 294733, 339221, 17978713]

約数ペア:

[(1, 17978713), (53, 339221), (61, 294733), (67, 268339), (83, 216611), (3233, 5561), (3551, 5063), (4087, 4399)]