7978788

素因数分解:

$2^2\times 3^2\times {\mathrm{251}}^1\times {\mathrm{883}}^1$

素因数の和:1144

約数の個数: 36

約数和(自身を含む): 20271888

約数和(自身を除く): 12293100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 251, 502, 753, 883, 1004, 1506, 1766, 2259, 2649, 3012, 3532, 4518, 5298, 7947, 9036, 10596, 15894, 31788, 221633, 443266, 664899, 886532, 1329798, 1994697, 2659596, 3989394, 7978788]

約数ペア:

[(1, 7978788), (2, 3989394), (3, 2659596), (4, 1994697), (6, 1329798), (9, 886532), (12, 664899), (18, 443266), (36, 221633), (251, 31788), (502, 15894), (753, 10596), (883, 9036), (1004, 7947), (1506, 5298), (1766, 4518), (2259, 3532), (2649, 3012)]