219312986

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 348712320

約数和(自身を除く): 129399334

約数列:

[1, 2, 37, 43, 74, 86, 157, 314, 439, 878, 1591, 3182, 5809, 6751, 11618, 13502, 16243, 18877, 32486, 37754, 68923, 137846, 249787, 499574, 698449, 1396898, 2550151, 2963689, 5100302, 5927378, 109656493, 219312986]

約数ペア:

[(1, 219312986), (2, 109656493), (37, 5927378), (43, 5100302), (74, 2963689), (86, 2550151), (157, 1396898), (314, 698449), (439, 499574), (878, 249787), (1591, 137846), (3182, 68923), (5809, 37754), (6751, 32486), (11618, 18877), (13502, 16243)]