3978964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{8221}}^1$

素因数の和:8247

約数の個数: 18

約数和(自身を含む): 7654682

約数和(自身を除く): 3675718

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 8221, 16442, 32884, 90431, 180862, 361724, 994741, 1989482, 3978964]

約数ペア:

[(1, 3978964), (2, 1989482), (4, 994741), (11, 361724), (22, 180862), (44, 90431), (121, 32884), (242, 16442), (484, 8221)]