66939775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16631}}^1$

素因数の和:16671

約数の個数: 24

約数和(自身を含む): 98993664

約数和(自身を除く): 32053889

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 16631, 83155, 116417, 382513, 415775, 582085, 1912565, 2677591, 2910425, 9562825, 13387955, 66939775]

約数ペア:

[(1, 66939775), (5, 13387955), (7, 9562825), (23, 2910425), (25, 2677591), (35, 1912565), (115, 582085), (161, 415775), (175, 382513), (575, 116417), (805, 83155), (4025, 16631)]