51321584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 105179280

約数和(自身を除く): 53857696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 401, 421, 802, 842, 1604, 1684, 3208, 3368, 6416, 6736, 7619, 7999, 15238, 15998, 30476, 31996, 60952, 63992, 121904, 127984, 168821, 337642, 675284, 1350568, 2701136, 3207599, 6415198, 12830396, 25660792, 51321584]

約数ペア:

[(1, 51321584), (2, 25660792), (4, 12830396), (8, 6415198), (16, 3207599), (19, 2701136), (38, 1350568), (76, 675284), (152, 337642), (304, 168821), (401, 127984), (421, 121904), (802, 63992), (842, 60952), (1604, 31996), (1684, 30476), (3208, 15998), (3368, 15238), (6416, 7999), (6736, 7619)]