3971254

素因数分解:

$2^1\times 7^4\times {\mathrm{827}}^1$

素因数の和:857

約数の個数: 20

約数和(自身を含む): 6957684

約数和(自身を除く): 2986430

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 827, 1654, 2401, 4802, 5789, 11578, 40523, 81046, 283661, 567322, 1985627, 3971254]

約数ペア:

[(1, 3971254), (2, 1985627), (7, 567322), (14, 283661), (49, 81046), (98, 40523), (343, 11578), (686, 5789), (827, 4802), (1654, 2401)]