216868964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{219503}}^1$

素因数の和:219539

約数の個数: 24

約数和(自身を含む): 430227840

約数和(自身を除く): 213358876

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 219503, 439006, 878012, 2853539, 4170557, 5707078, 8341114, 11414156, 16682228, 54217241, 108434482, 216868964]

約数ペア:

[(1, 216868964), (2, 108434482), (4, 54217241), (13, 16682228), (19, 11414156), (26, 8341114), (38, 5707078), (52, 4170557), (76, 2853539), (247, 878012), (494, 439006), (988, 219503)]