68294015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 91518336

約数和(自身を除く): 23224321

約数列:

[1, 5, 17, 23, 85, 115, 181, 193, 391, 905, 965, 1955, 3077, 3281, 4163, 4439, 15385, 16405, 20815, 22195, 34933, 70771, 75463, 174665, 353855, 377315, 593861, 803459, 2969305, 4017295, 13658803, 68294015]

約数ペア:

[(1, 68294015), (5, 13658803), (17, 4017295), (23, 2969305), (85, 803459), (115, 593861), (181, 377315), (193, 353855), (391, 174665), (905, 75463), (965, 70771), (1955, 34933), (3077, 22195), (3281, 20815), (4163, 16405), (4439, 15385)]