217208568

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2131}}^1$

素因数の和:2308

約数の個数: 64

約数和(自身を含む): 564894720

約数和(自身を除く): 347686152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 137, 186, 248, 274, 372, 411, 548, 744, 822, 1096, 1644, 2131, 3288, 4247, 4262, 6393, 8494, 8524, 12741, 12786, 16988, 17048, 25482, 25572, 33976, 50964, 51144, 66061, 101928, 132122, 198183, 264244, 291947, 396366, 528488, 583894, 792732, 875841, 1167788, 1585464, 1751682, 2335576, 3503364, 7006728, 9050357, 18100714, 27151071, 36201428, 54302142, 72402856, 108604284, 217208568]

約数ペア:

[(1, 217208568), (2, 108604284), (3, 72402856), (4, 54302142), (6, 36201428), (8, 27151071), (12, 18100714), (24, 9050357), (31, 7006728), (62, 3503364), (93, 2335576), (124, 1751682), (137, 1585464), (186, 1167788), (248, 875841), (274, 792732), (372, 583894), (411, 528488), (548, 396366), (744, 291947), (822, 264244), (1096, 198183), (1644, 132122), (2131, 101928), (3288, 66061), (4247, 51144), (4262, 50964), (6393, 33976), (8494, 25572), (8524, 25482), (12741, 17048), (12786, 16988)]