28378364

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{12211}}^1$

素因数の和:12305

約数の個数: 24

約数和(自身を含む): 57445248

約数和(自身を除く): 29066884

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 12211, 24422, 48844, 85477, 170954, 341908, 1013513, 2027026, 4054052, 7094591, 14189182, 28378364]

約数ペア:

[(1, 28378364), (2, 14189182), (4, 7094591), (7, 4054052), (14, 2027026), (28, 1013513), (83, 341908), (166, 170954), (332, 85477), (581, 48844), (1162, 24422), (2324, 12211)]