205806708

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1559}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 550804800

約数和(自身を除く): 344998092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 193, 228, 342, 386, 579, 684, 772, 1158, 1559, 1737, 2316, 3118, 3474, 3667, 4677, 6236, 6948, 7334, 9354, 11001, 14031, 14668, 18708, 22002, 28062, 29621, 33003, 44004, 56124, 59242, 66006, 88863, 118484, 132012, 177726, 266589, 300887, 355452, 533178, 601774, 902661, 1066356, 1203548, 1805322, 2707983, 3610644, 5415966, 5716853, 10831932, 11433706, 17150559, 22867412, 34301118, 51451677, 68602236, 102903354, 205806708]

約数ペア:

[(1, 205806708), (2, 102903354), (3, 68602236), (4, 51451677), (6, 34301118), (9, 22867412), (12, 17150559), (18, 11433706), (19, 10831932), (36, 5716853), (38, 5415966), (57, 3610644), (76, 2707983), (114, 1805322), (171, 1203548), (193, 1066356), (228, 902661), (342, 601774), (386, 533178), (579, 355452), (684, 300887), (772, 266589), (1158, 177726), (1559, 132012), (1737, 118484), (2316, 88863), (3118, 66006), (3474, 59242), (3667, 56124), (4677, 44004), (6236, 33003), (6948, 29621), (7334, 28062), (9354, 22002), (11001, 18708), (14031, 14668)]