221330572

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1\times {\mathrm{1627}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 393845760

約数和(自身を除く): 172515188

約数列:

[1, 2, 4, 71, 142, 284, 479, 958, 1627, 1916, 3254, 6508, 34009, 68018, 115517, 136036, 231034, 462068, 779333, 1558666, 3117332, 55332643, 110665286, 221330572]

約数ペア:

[(1, 221330572), (2, 110665286), (4, 55332643), (71, 3117332), (142, 1558666), (284, 779333), (479, 462068), (958, 231034), (1627, 136036), (1916, 115517), (3254, 68018), (6508, 34009)]