1388808456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:963

約数の個数: 128

約数和(自身を含む): 4050708480

約数和(自身を除く): 2661900024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 83, 84, 137, 166, 168, 249, 274, 332, 411, 498, 548, 581, 664, 727, 822, 959, 996, 1096, 1162, 1454, 1644, 1743, 1918, 1992, 2181, 2324, 2877, 2908, 3288, 3486, 3836, 4362, 4648, 5089, 5754, 5816, 6972, 7672, 8724, 10178, 11371, 11508, 13944, 15267, 17448, 20356, 22742, 23016, 30534, 34113, 40712, 45484, 60341, 61068, 68226, 79597, 90968, 99599, 120682, 122136, 136452, 159194, 181023, 199198, 238791, 241364, 272904, 298797, 318388, 362046, 398396, 422387, 477582, 482728, 597594, 636776, 697193, 724092, 796792, 844774, 955164, 1195188, 1267161, 1394386, 1448184, 1689548, 1910328, 2091579, 2390376, 2534322, 2788772, 3379096, 4183158, 5068644, 5577544, 8266717, 8366316, 10137288, 16533434, 16732632, 24800151, 33066868, 49600302, 57867019, 66133736, 99200604, 115734038, 173601057, 198401208, 231468076, 347202114, 462936152, 694404228, 1388808456]

約数ペア:

[(1, 1388808456), (2, 694404228), (3, 462936152), (4, 347202114), (6, 231468076), (7, 198401208), (8, 173601057), (12, 115734038), (14, 99200604), (21, 66133736), (24, 57867019), (28, 49600302), (42, 33066868), (56, 24800151), (83, 16732632), (84, 16533434), (137, 10137288), (166, 8366316), (168, 8266717), (249, 5577544), (274, 5068644), (332, 4183158), (411, 3379096), (498, 2788772), (548, 2534322), (581, 2390376), (664, 2091579), (727, 1910328), (822, 1689548), (959, 1448184), (996, 1394386), (1096, 1267161), (1162, 1195188), (1454, 955164), (1644, 844774), (1743, 796792), (1918, 724092), (1992, 697193), (2181, 636776), (2324, 597594), (2877, 482728), (2908, 477582), (3288, 422387), (3486, 398396), (3836, 362046), (4362, 318388), (4648, 298797), (5089, 272904), (5754, 241364), (5816, 238791), (6972, 199198), (7672, 181023), (8724, 159194), (10178, 136452), (11371, 122136), (11508, 120682), (13944, 99599), (15267, 90968), (17448, 79597), (20356, 68226), (22742, 61068), (23016, 60341), (30534, 45484), (34113, 40712)]