2638909

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 3322368

約数和(自身を除く): 683459

約数列:

[1, 7, 13, 47, 91, 329, 611, 617, 4277, 4319, 8021, 28999, 56147, 202993, 376987, 2638909]

約数ペア:

[(1, 2638909), (7, 376987), (13, 202993), (47, 56147), (91, 28999), (329, 8021), (611, 4319), (617, 4277)]