685666908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1559}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 1828444800

約数和(自身を除く): 1142777892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 643, 684, 1286, 1559, 1929, 2572, 3118, 3858, 4677, 5787, 6236, 7716, 9354, 11574, 12217, 14031, 18708, 23148, 24434, 28062, 29621, 36651, 48868, 56124, 59242, 73302, 88863, 109953, 118484, 146604, 177726, 219906, 266589, 355452, 439812, 533178, 1002437, 1066356, 2004874, 3007311, 4009748, 6014622, 9021933, 12029244, 18043866, 19046303, 36087732, 38092606, 57138909, 76185212, 114277818, 171416727, 228555636, 342833454, 685666908]

約数ペア:

[(1, 685666908), (2, 342833454), (3, 228555636), (4, 171416727), (6, 114277818), (9, 76185212), (12, 57138909), (18, 38092606), (19, 36087732), (36, 19046303), (38, 18043866), (57, 12029244), (76, 9021933), (114, 6014622), (171, 4009748), (228, 3007311), (342, 2004874), (643, 1066356), (684, 1002437), (1286, 533178), (1559, 439812), (1929, 355452), (2572, 266589), (3118, 219906), (3858, 177726), (4677, 146604), (5787, 118484), (6236, 109953), (7716, 88863), (9354, 73302), (11574, 59242), (12217, 56124), (14031, 48868), (18708, 36651), (23148, 29621), (24434, 28062)]