415792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2020

約数の個数: 20

約数和(自身を含む): 868000

約数和(自身を除く): 452208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1999, 3998, 7996, 15992, 25987, 31984, 51974, 103948, 207896, 415792]

約数ペア:

[(1, 415792), (2, 207896), (4, 103948), (8, 51974), (13, 31984), (16, 25987), (26, 15992), (52, 7996), (104, 3998), (208, 1999)]