251019801292

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{797}}^1$

素因数の和:1328

約数の個数: 144

約数和(自身を含む): 508731052032

約数和(自身を除く): 257711250740

約数列:

[1, 2, 4, 13, 23, 26, 46, 47, 52, 92, 94, 169, 188, 299, 338, 431, 598, 611, 676, 797, 862, 1081, 1196, 1222, 1594, 1724, 2162, 2444, 3188, 3887, 4324, 5603, 7774, 7943, 9913, 10361, 11206, 14053, 15548, 15886, 18331, 19826, 20257, 20722, 22412, 28106, 31772, 36662, 37459, 39652, 40514, 41444, 56212, 72839, 73324, 74918, 81028, 128869, 134693, 145678, 149836, 182689, 238303, 257738, 263341, 269386, 291356, 343507, 365378, 465911, 476606, 486967, 515476, 526682, 538772, 687014, 730756, 861557, 931822, 953212, 973934, 1053364, 1374028, 1675297, 1723114, 1863644, 1947868, 3097939, 3350594, 3423433, 3446228, 4465591, 6056843, 6195878, 6330571, 6701188, 6846866, 7900661, 8931182, 11200241, 12113686, 12391756, 12661142, 13693732, 15801322, 16144829, 17862364, 22400482, 24227372, 25322284, 31602644, 32289658, 44800964, 58052683, 64579316, 78738959, 102708593, 116105366, 145603133, 157477918, 205417186, 209882777, 232210732, 291206266, 314955836, 371331067, 410834372, 419765554, 582412532, 742662134, 839531108, 1335211709, 1485324268, 2670423418, 2728476101, 4827303871, 5340846836, 5456952202, 9654607742, 10913904404, 19309215484, 62754950323, 125509900646, 251019801292]

約数ペア:

[(1, 251019801292), (2, 125509900646), (4, 62754950323), (13, 19309215484), (23, 10913904404), (26, 9654607742), (46, 5456952202), (47, 5340846836), (52, 4827303871), (92, 2728476101), (94, 2670423418), (169, 1485324268), (188, 1335211709), (299, 839531108), (338, 742662134), (431, 582412532), (598, 419765554), (611, 410834372), (676, 371331067), (797, 314955836), (862, 291206266), (1081, 232210732), (1196, 209882777), (1222, 205417186), (1594, 157477918), (1724, 145603133), (2162, 116105366), (2444, 102708593), (3188, 78738959), (3887, 64579316), (4324, 58052683), (5603, 44800964), (7774, 32289658), (7943, 31602644), (9913, 25322284), (10361, 24227372), (11206, 22400482), (14053, 17862364), (15548, 16144829), (15886, 15801322), (18331, 13693732), (19826, 12661142), (20257, 12391756), (20722, 12113686), (22412, 11200241), (28106, 8931182), (31772, 7900661), (36662, 6846866), (37459, 6701188), (39652, 6330571), (40514, 6195878), (41444, 6056843), (56212, 4465591), (72839, 3446228), (73324, 3423433), (74918, 3350594), (81028, 3097939), (128869, 1947868), (134693, 1863644), (145678, 1723114), (149836, 1675297), (182689, 1374028), (238303, 1053364), (257738, 973934), (263341, 953212), (269386, 931822), (291356, 861557), (343507, 730756), (365378, 687014), (465911, 538772), (476606, 526682), (486967, 515476)]