51398458

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:574

約数の個数: 24

約数和(自身を含む): 81980532

約数和(自身を除く): 30582074

約数列:

[1, 2, 19, 38, 257, 277, 361, 514, 554, 722, 4883, 5263, 9766, 10526, 71189, 92777, 99997, 142378, 185554, 199994, 1352591, 2705182, 25699229, 51398458]

約数ペア:

[(1, 51398458), (2, 25699229), (19, 2705182), (38, 1352591), (257, 199994), (277, 185554), (361, 142378), (514, 99997), (554, 92777), (722, 71189), (4883, 10526), (5263, 9766)]