6656890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 12669696

約数和(自身を除く): 6012806

約数列:

[1, 2, 5, 10, 23, 46, 103, 115, 206, 230, 281, 515, 562, 1030, 1405, 2369, 2810, 4738, 6463, 11845, 12926, 23690, 28943, 32315, 57886, 64630, 144715, 289430, 665689, 1331378, 3328445, 6656890]

約数ペア:

[(1, 6656890), (2, 3328445), (5, 1331378), (10, 665689), (23, 289430), (46, 144715), (103, 64630), (115, 57886), (206, 32315), (230, 28943), (281, 23690), (515, 12926), (562, 11845), (1030, 6463), (1405, 4738), (2369, 2810)]