1681016687

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{1997}}^1$

素因数の和:2471

約数の個数: 24

約数和(自身を含む): 2008949040

約数和(自身を除く): 327932353

約数列:

[1, 7, 41, 49, 287, 419, 1997, 2009, 2933, 13979, 17179, 20531, 81877, 97853, 120253, 573139, 836743, 841771, 4011973, 5857201, 34306463, 41000407, 240145241, 1681016687]

約数ペア:

[(1, 1681016687), (7, 240145241), (41, 41000407), (49, 34306463), (287, 5857201), (419, 4011973), (1997, 841771), (2009, 836743), (2933, 573139), (13979, 120253), (17179, 97853), (20531, 81877)]