78971765

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 100668120

約数和(自身を除く): 21696355

約数列:

[1, 5, 23, 73, 115, 365, 409, 529, 1679, 2045, 2645, 8395, 9407, 29857, 38617, 47035, 149285, 193085, 216361, 686711, 1081805, 3433555, 15794353, 78971765]

約数ペア:

[(1, 78971765), (5, 15794353), (23, 3433555), (73, 1081805), (115, 686711), (365, 216361), (409, 193085), (529, 149285), (1679, 47035), (2045, 38617), (2645, 29857), (8395, 9407)]