208384638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1987}}^1$

素因数の和:2237

約数の個数: 64

約数和(自身を含む): 522160128

約数和(自身を除く): 313775490

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 227, 231, 454, 462, 681, 1362, 1589, 1987, 2497, 3178, 3974, 4767, 4994, 5961, 7491, 9534, 11922, 13909, 14982, 17479, 21857, 27818, 34958, 41727, 43714, 52437, 65571, 83454, 104874, 131142, 152999, 305998, 451049, 458997, 902098, 917994, 1353147, 2706294, 3157343, 4961539, 6314686, 9472029, 9923078, 14884617, 18944058, 29769234, 34730773, 69461546, 104192319, 208384638]

約数ペア:

[(1, 208384638), (2, 104192319), (3, 69461546), (6, 34730773), (7, 29769234), (11, 18944058), (14, 14884617), (21, 9923078), (22, 9472029), (33, 6314686), (42, 4961539), (66, 3157343), (77, 2706294), (154, 1353147), (227, 917994), (231, 902098), (454, 458997), (462, 451049), (681, 305998), (1362, 152999), (1589, 131142), (1987, 104874), (2497, 83454), (3178, 65571), (3974, 52437), (4767, 43714), (4994, 41727), (5961, 34958), (7491, 27818), (9534, 21857), (11922, 17479), (13909, 14982)]