68939368

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2229

約数の個数: 32

約数和(自身を含む): 133789320

約数和(自身を除く): 64849952

約数列:

[1, 2, 4, 8, 41, 82, 101, 164, 202, 328, 404, 808, 2081, 4141, 4162, 8282, 8324, 16564, 16648, 33128, 85321, 170642, 210181, 341284, 420362, 682568, 840724, 1681448, 8617421, 17234842, 34469684, 68939368]

約数ペア:

[(1, 68939368), (2, 34469684), (4, 17234842), (8, 8617421), (41, 1681448), (82, 840724), (101, 682568), (164, 420362), (202, 341284), (328, 210181), (404, 170642), (808, 85321), (2081, 33128), (4141, 16648), (4162, 16564), (8282, 8324)]