81037628

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67307}}^1$

素因数の和:67361

約数の個数: 24

約数和(自身を含む): 165846912

約数和(自身を除く): 84809284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 67307, 134614, 269228, 471149, 942298, 1884596, 2894201, 5788402, 11576804, 20259407, 40518814, 81037628]

約数ペア:

[(1, 81037628), (2, 40518814), (4, 20259407), (7, 11576804), (14, 5788402), (28, 2894201), (43, 1884596), (86, 942298), (172, 471149), (301, 269228), (602, 134614), (1204, 67307)]