4421788

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 8960000

約数和(自身を除く): 4538212

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 1999, 2212, 3998, 7996, 13993, 27986, 55972, 157921, 315842, 631684, 1105447, 2210894, 4421788]

約数ペア:

[(1, 4421788), (2, 2210894), (4, 1105447), (7, 631684), (14, 315842), (28, 157921), (79, 55972), (158, 27986), (316, 13993), (553, 7996), (1106, 3998), (1999, 2212)]