206983568

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 120

約数和(自身を含む): 492780960

約数和(自身を除く): 285797392

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 68, 76, 88, 121, 136, 152, 176, 187, 209, 242, 272, 304, 323, 331, 374, 418, 484, 646, 662, 748, 836, 968, 1292, 1324, 1496, 1672, 1936, 2057, 2299, 2584, 2648, 2992, 3344, 3553, 3641, 4114, 4598, 5168, 5296, 5627, 6289, 7106, 7282, 8228, 9196, 11254, 12578, 14212, 14564, 16456, 18392, 22508, 25156, 28424, 29128, 32912, 36784, 39083, 40051, 45016, 50312, 56848, 58256, 61897, 69179, 78166, 80102, 90032, 100624, 106913, 123794, 138358, 156332, 160204, 213826, 247588, 276716, 312664, 320408, 427652, 495176, 553432, 625328, 640816, 680867, 760969, 855304, 990352, 1106864, 1176043, 1361734, 1521938, 1710608, 2352086, 2723468, 3043876, 4704172, 5446936, 6087752, 9408344, 10893872, 12175504, 12936473, 18816688, 25872946, 51745892, 103491784, 206983568]

約数ペア:

[(1, 206983568), (2, 103491784), (4, 51745892), (8, 25872946), (11, 18816688), (16, 12936473), (17, 12175504), (19, 10893872), (22, 9408344), (34, 6087752), (38, 5446936), (44, 4704172), (68, 3043876), (76, 2723468), (88, 2352086), (121, 1710608), (136, 1521938), (152, 1361734), (176, 1176043), (187, 1106864), (209, 990352), (242, 855304), (272, 760969), (304, 680867), (323, 640816), (331, 625328), (374, 553432), (418, 495176), (484, 427652), (646, 320408), (662, 312664), (748, 276716), (836, 247588), (968, 213826), (1292, 160204), (1324, 156332), (1496, 138358), (1672, 123794), (1936, 106913), (2057, 100624), (2299, 90032), (2584, 80102), (2648, 78166), (2992, 69179), (3344, 61897), (3553, 58256), (3641, 56848), (4114, 50312), (4598, 45016), (5168, 40051), (5296, 39083), (5627, 36784), (6289, 32912), (7106, 29128), (7282, 28424), (8228, 25156), (9196, 22508), (11254, 18392), (12578, 16456), (14212, 14564)]