66448263

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 111592320

約数和(自身を除く): 45144057

約数列:

[1, 3, 7, 19, 21, 37, 49, 57, 111, 133, 147, 259, 399, 643, 703, 777, 931, 1813, 1929, 2109, 2793, 4501, 4921, 5439, 12217, 13503, 14763, 23791, 31507, 34447, 36651, 71373, 85519, 94521, 103341, 166537, 256557, 452029, 499611, 598633, 1165759, 1356087, 1795899, 3164203, 3497277, 9492609, 22149421, 66448263]

約数ペア:

[(1, 66448263), (3, 22149421), (7, 9492609), (19, 3497277), (21, 3164203), (37, 1795899), (49, 1356087), (57, 1165759), (111, 598633), (133, 499611), (147, 452029), (259, 256557), (399, 166537), (643, 103341), (703, 94521), (777, 85519), (931, 71373), (1813, 36651), (1929, 34447), (2109, 31507), (2793, 23791), (4501, 14763), (4921, 13503), (5439, 12217)]