26491997

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{101}}^2$

素因数の和:269

約数の個数: 18

約数和(自身を含む): 31712634

約数和(自身を除く): 5220637

約数列:

[1, 7, 49, 53, 101, 371, 707, 2597, 4949, 5353, 10201, 37471, 71407, 262297, 499849, 540653, 3784571, 26491997]

約数ペア:

[(1, 26491997), (7, 3784571), (49, 540653), (53, 499849), (101, 262297), (371, 71407), (707, 37471), (2597, 10201), (4949, 5353)]