7687628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 15805440

約数和(自身を除く): 8117812

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 251, 403, 494, 502, 589, 806, 988, 1004, 1178, 1612, 2356, 3263, 4769, 6526, 7657, 7781, 9538, 13052, 15314, 15562, 19076, 30628, 31124, 61997, 101153, 123994, 147839, 202306, 247988, 295678, 404612, 591356, 1921907, 3843814, 7687628]

約数ペア:

[(1, 7687628), (2, 3843814), (4, 1921907), (13, 591356), (19, 404612), (26, 295678), (31, 247988), (38, 202306), (52, 147839), (62, 123994), (76, 101153), (124, 61997), (247, 31124), (251, 30628), (403, 19076), (494, 15562), (502, 15314), (589, 13052), (806, 9538), (988, 7781), (1004, 7657), (1178, 6526), (1612, 4769), (2356, 3263)]