1297264

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1008

約数の個数: 20

約数和(自身を含む): 2544480

約数和(自身を除く): 1247216

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 911, 1424, 1822, 3644, 7288, 14576, 81079, 162158, 324316, 648632, 1297264]

約数ペア:

[(1, 1297264), (2, 648632), (4, 324316), (8, 162158), (16, 81079), (89, 14576), (178, 7288), (356, 3644), (712, 1822), (911, 1424)]