208565886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 238502274

約数列:

[1, 2, 3, 6, 23, 46, 69, 83, 131, 138, 139, 166, 249, 262, 278, 393, 417, 498, 786, 834, 1909, 3013, 3197, 3818, 5727, 6026, 6394, 9039, 9591, 10873, 11454, 11537, 18078, 18209, 19182, 21746, 23074, 32619, 34611, 36418, 54627, 65238, 69222, 109254, 250079, 265351, 418807, 500158, 530702, 750237, 796053, 837614, 1256421, 1500474, 1511347, 1592106, 2512842, 3022694, 4534041, 9068082, 34760981, 69521962, 104282943, 208565886]

約数ペア:

[(1, 208565886), (2, 104282943), (3, 69521962), (6, 34760981), (23, 9068082), (46, 4534041), (69, 3022694), (83, 2512842), (131, 1592106), (138, 1511347), (139, 1500474), (166, 1256421), (249, 837614), (262, 796053), (278, 750237), (393, 530702), (417, 500158), (498, 418807), (786, 265351), (834, 250079), (1909, 109254), (3013, 69222), (3197, 65238), (3818, 54627), (5727, 36418), (6026, 34611), (6394, 32619), (9039, 23074), (9591, 21746), (10873, 19182), (11454, 18209), (11537, 18078)]