56707989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 86661120

約数和(自身を除く): 29953131

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 309, 741, 743, 1339, 1957, 2229, 4017, 5871, 9659, 14117, 25441, 28977, 42351, 76323, 76529, 183521, 229587, 550563, 994877, 1454051, 2984631, 4362153, 18902663, 56707989]

約数ペア:

[(1, 56707989), (3, 18902663), (13, 4362153), (19, 2984631), (39, 1454051), (57, 994877), (103, 550563), (247, 229587), (309, 183521), (741, 76529), (743, 76323), (1339, 42351), (1957, 28977), (2229, 25441), (4017, 14117), (5871, 9659)]