638577926

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{426287}}^1$

素因数の和:426403

約数の個数: 16

約数和(自身を含む): 1104938496

約数和(自身を除く): 466360570

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 426287, 852574, 2984009, 5968018, 45612709, 91225418, 319288963, 638577926]

約数ペア:

[(1, 638577926), (2, 319288963), (7, 91225418), (14, 45612709), (107, 5968018), (214, 2984009), (749, 852574), (1498, 426287)]