11978866

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:653

約数の個数: 16

約数和(自身を含む): 18322200

約数和(自身を除く): 6343334

約数列:

[1, 2, 89, 173, 178, 346, 389, 778, 15397, 30794, 34621, 67297, 69242, 134594, 5989433, 11978866]

約数ペア:

[(1, 11978866), (2, 5989433), (89, 134594), (173, 69242), (178, 67297), (346, 34621), (389, 30794), (778, 15397)]