78178265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{2687}}^1$

素因数の和:2749

約数の個数: 24

約数和(自身を含む): 107025408

約数和(自身を除く): 28847143

約数列:

[1, 5, 11, 23, 55, 115, 253, 529, 1265, 2645, 2687, 5819, 13435, 29095, 29557, 61801, 147785, 309005, 679811, 1421423, 3399055, 7107115, 15635653, 78178265]

約数ペア:

[(1, 78178265), (5, 15635653), (11, 7107115), (23, 3399055), (55, 1421423), (115, 679811), (253, 309005), (529, 147785), (1265, 61801), (2645, 29557), (2687, 29095), (5819, 13435)]