388626741

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2053}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 628031040

約数和(自身を除く): 239404299

約数列:

[1, 3, 9, 19, 27, 41, 57, 81, 123, 171, 243, 369, 513, 779, 1107, 1539, 2053, 2337, 3321, 4617, 6159, 7011, 9963, 18477, 21033, 39007, 55431, 63099, 84173, 117021, 166293, 189297, 252519, 351063, 498879, 757557, 1053189, 1599287, 2272671, 3159567, 4797861, 6818013, 9478701, 14393583, 20454039, 43180749, 129542247, 388626741]

約数ペア:

[(1, 388626741), (3, 129542247), (9, 43180749), (19, 20454039), (27, 14393583), (41, 9478701), (57, 6818013), (81, 4797861), (123, 3159567), (171, 2272671), (243, 1599287), (369, 1053189), (513, 757557), (779, 498879), (1107, 351063), (1539, 252519), (2053, 189297), (2337, 166293), (3321, 117021), (4617, 84173), (6159, 63099), (7011, 55431), (9963, 39007), (18477, 21033)]