221623984

素因数分解:

$2^4\times {\mathrm{1399}}^1\times {\mathrm{9901}}^1$

素因数の和:11308

約数の個数: 20

約数和(自身を含む): 429746800

約数和(自身を除く): 208122816

約数列:

[1, 2, 4, 8, 16, 1399, 2798, 5596, 9901, 11192, 19802, 22384, 39604, 79208, 158416, 13851499, 27702998, 55405996, 110811992, 221623984]

約数ペア:

[(1, 221623984), (2, 110811992), (4, 55405996), (8, 27702998), (16, 13851499), (1399, 158416), (2798, 79208), (5596, 39604), (9901, 22384), (11192, 19802)]