4981508

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 10080000

約数和(自身を除く): 5098492

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 1999, 2492, 3998, 7996, 13993, 27986, 55972, 177911, 355822, 711644, 1245377, 2490754, 4981508]

約数ペア:

[(1, 4981508), (2, 2490754), (4, 1245377), (7, 711644), (14, 355822), (28, 177911), (89, 55972), (178, 27986), (356, 13993), (623, 7996), (1246, 3998), (1999, 2492)]