223655984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{340939}}^1$

素因数の和:340988

約数の個数: 20

約数和(自身を含む): 443903880

約数和(自身を除く): 220247896

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 340939, 681878, 1363756, 2727512, 5455024, 13978499, 27956998, 55913996, 111827992, 223655984]

約数ペア:

[(1, 223655984), (2, 111827992), (4, 55913996), (8, 27956998), (16, 13978499), (41, 5455024), (82, 2727512), (164, 1363756), (328, 681878), (656, 340939)]