2878421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 3623424

約数和(自身を除く): 745003

約数列:

[1, 7, 13, 47, 91, 329, 611, 673, 4277, 4711, 8749, 31631, 61243, 221417, 411203, 2878421]

約数ペア:

[(1, 2878421), (7, 411203), (13, 221417), (47, 61243), (91, 31631), (329, 8749), (611, 4711), (673, 4277)]