2191084343

素因数分解:

$7^3\times {\mathrm{907}}^1\times {\mathrm{7043}}^1$

素因数の和:7971

約数の個数: 16

約数和(自身を含む): 2558380800

約数和(自身を除く): 367296457

約数列:

[1, 7, 49, 343, 907, 6349, 7043, 44443, 49301, 311101, 345107, 2415749, 6388001, 44716007, 313012049, 2191084343]

約数ペア:

[(1, 2191084343), (7, 313012049), (49, 44716007), (343, 6388001), (907, 2415749), (6349, 345107), (7043, 311101), (44443, 49301)]