388757575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{13417}}^1$

素因数の和:13507

約数の個数: 24

約数和(自身を含む): 515787920

約数和(自身を除く): 127030345

約数列:

[1, 5, 19, 25, 61, 95, 305, 475, 1159, 1525, 5795, 13417, 28975, 67085, 254923, 335425, 818437, 1274615, 4092185, 6373075, 15550303, 20460925, 77751515, 388757575]

約数ペア:

[(1, 388757575), (5, 77751515), (19, 20460925), (25, 15550303), (61, 6373075), (95, 4092185), (305, 1274615), (475, 818437), (1159, 335425), (1525, 254923), (5795, 67085), (13417, 28975)]