64047755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^2$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 85388256

約数和(自身を除く): 21340501

約数列:

[1, 5, 17, 23, 85, 115, 181, 391, 905, 1955, 3077, 4163, 15385, 20815, 32761, 70771, 163805, 353855, 556937, 753503, 2784685, 3767515, 12809551, 64047755]

約数ペア:

[(1, 64047755), (5, 12809551), (17, 3767515), (23, 2784685), (85, 753503), (115, 556937), (181, 353855), (391, 163805), (905, 70771), (1955, 32761), (3077, 20815), (4163, 15385)]