66973016

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 141325800

約数和(自身を除く): 74352784

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 946, 968, 1609, 1892, 3218, 3784, 5203, 6436, 10406, 12872, 17699, 20812, 35398, 41624, 69187, 70796, 138374, 141592, 194689, 276748, 389378, 553496, 761057, 778756, 1522114, 1557512, 3044228, 6088456, 8371627, 16743254, 33486508, 66973016]

約数ペア:

[(1, 66973016), (2, 33486508), (4, 16743254), (8, 8371627), (11, 6088456), (22, 3044228), (43, 1557512), (44, 1522114), (86, 778756), (88, 761057), (121, 553496), (172, 389378), (242, 276748), (344, 194689), (473, 141592), (484, 138374), (946, 70796), (968, 69187), (1609, 41624), (1892, 35398), (3218, 20812), (3784, 17699), (5203, 12872), (6436, 10406)]