668070818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{211817}}^1$

素因数の和:211921

約数の個数: 16

約数和(自身を含む): 1067562720

約数和(自身を除く): 399491902

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 211817, 423634, 4024523, 8049046, 17580811, 35161622, 334035409, 668070818]

約数ペア:

[(1, 668070818), (2, 334035409), (19, 35161622), (38, 17580811), (83, 8049046), (166, 4024523), (1577, 423634), (3154, 211817)]