205389912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:785

約数の個数: 128

約数和(自身を含む): 637056000

約数和(自身を除く): 431666088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 157, 168, 182, 273, 312, 314, 364, 471, 546, 599, 628, 728, 942, 1092, 1099, 1198, 1256, 1797, 1884, 2041, 2184, 2198, 2396, 3297, 3594, 3768, 4082, 4193, 4396, 4792, 6123, 6594, 7188, 7787, 8164, 8386, 8792, 12246, 12579, 13188, 14287, 14376, 15574, 16328, 16772, 23361, 24492, 25158, 26376, 28574, 31148, 33544, 42861, 46722, 48984, 50316, 54509, 57148, 62296, 85722, 93444, 94043, 100632, 109018, 114296, 163527, 171444, 186888, 188086, 218036, 282129, 327054, 342888, 376172, 436072, 564258, 654108, 658301, 752344, 1128516, 1222559, 1308216, 1316602, 1974903, 2257032, 2445118, 2633204, 3667677, 3949806, 4890236, 5266408, 7335354, 7899612, 8557913, 9780472, 14670708, 15799224, 17115826, 25673739, 29341416, 34231652, 51347478, 68463304, 102694956, 205389912]

約数ペア:

[(1, 205389912), (2, 102694956), (3, 68463304), (4, 51347478), (6, 34231652), (7, 29341416), (8, 25673739), (12, 17115826), (13, 15799224), (14, 14670708), (21, 9780472), (24, 8557913), (26, 7899612), (28, 7335354), (39, 5266408), (42, 4890236), (52, 3949806), (56, 3667677), (78, 2633204), (84, 2445118), (91, 2257032), (104, 1974903), (156, 1316602), (157, 1308216), (168, 1222559), (182, 1128516), (273, 752344), (312, 658301), (314, 654108), (364, 564258), (471, 436072), (546, 376172), (599, 342888), (628, 327054), (728, 282129), (942, 218036), (1092, 188086), (1099, 186888), (1198, 171444), (1256, 163527), (1797, 114296), (1884, 109018), (2041, 100632), (2184, 94043), (2198, 93444), (2396, 85722), (3297, 62296), (3594, 57148), (3768, 54509), (4082, 50316), (4193, 48984), (4396, 46722), (4792, 42861), (6123, 33544), (6594, 31148), (7188, 28574), (7787, 26376), (8164, 25158), (8386, 24492), (8792, 23361), (12246, 16772), (12579, 16328), (13188, 15574), (14287, 14376)]