388770876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 1106280448

約数和(自身を除く): 717509572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 127, 156, 186, 211, 234, 254, 279, 372, 381, 403, 422, 468, 508, 558, 633, 762, 806, 844, 1116, 1143, 1209, 1266, 1524, 1612, 1651, 1899, 2286, 2418, 2532, 2743, 3302, 3627, 3798, 3937, 4572, 4836, 4953, 5486, 6541, 6604, 7254, 7596, 7874, 8229, 9906, 10972, 11811, 13082, 14508, 14859, 15748, 16458, 19623, 19812, 23622, 24687, 26164, 26797, 29718, 32916, 35433, 39246, 47244, 49374, 51181, 53594, 58869, 59436, 70866, 78492, 80391, 85033, 98748, 102362, 107188, 117738, 141732, 153543, 160782, 170066, 204724, 235476, 241173, 255099, 307086, 321564, 340132, 348361, 460629, 482346, 510198, 614172, 696722, 765297, 830707, 921258, 964692, 1020396, 1045083, 1393444, 1530594, 1661414, 1842516, 2090166, 2492121, 3061188, 3135249, 3322828, 4180332, 4984242, 6270498, 7476363, 9968484, 10799191, 12540996, 14952726, 21598382, 29905452, 32397573, 43196764, 64795146, 97192719, 129590292, 194385438, 388770876]

約数ペア:

[(1, 388770876), (2, 194385438), (3, 129590292), (4, 97192719), (6, 64795146), (9, 43196764), (12, 32397573), (13, 29905452), (18, 21598382), (26, 14952726), (31, 12540996), (36, 10799191), (39, 9968484), (52, 7476363), (62, 6270498), (78, 4984242), (93, 4180332), (117, 3322828), (124, 3135249), (127, 3061188), (156, 2492121), (186, 2090166), (211, 1842516), (234, 1661414), (254, 1530594), (279, 1393444), (372, 1045083), (381, 1020396), (403, 964692), (422, 921258), (468, 830707), (508, 765297), (558, 696722), (633, 614172), (762, 510198), (806, 482346), (844, 460629), (1116, 348361), (1143, 340132), (1209, 321564), (1266, 307086), (1524, 255099), (1612, 241173), (1651, 235476), (1899, 204724), (2286, 170066), (2418, 160782), (2532, 153543), (2743, 141732), (3302, 117738), (3627, 107188), (3798, 102362), (3937, 98748), (4572, 85033), (4836, 80391), (4953, 78492), (5486, 70866), (6541, 59436), (6604, 58869), (7254, 53594), (7596, 51181), (7874, 49374), (8229, 47244), (9906, 39246), (10972, 35433), (11811, 32916), (13082, 29718), (14508, 26797), (14859, 26164), (15748, 24687), (16458, 23622), (19623, 19812)]