28737605

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 37946880

約数和(自身を除く): 9209275

約数列:

[1, 5, 13, 65, 71, 169, 355, 479, 845, 923, 2395, 4615, 6227, 11999, 31135, 34009, 59995, 80951, 170045, 404755, 442117, 2210585, 5747521, 28737605]

約数ペア:

[(1, 28737605), (5, 5747521), (13, 2210585), (65, 442117), (71, 404755), (169, 170045), (355, 80951), (479, 59995), (845, 34009), (923, 31135), (2395, 11999), (4615, 6227)]