7891729664

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19927}}^1$

素因数の和:19980

約数の個数: 144

約数和(自身を含む): 20529347328

約数和(自身を除く): 12637617664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 182, 208, 221, 224, 238, 256, 272, 364, 416, 442, 448, 476, 544, 728, 832, 884, 896, 952, 1088, 1456, 1547, 1664, 1768, 1792, 1904, 2176, 2912, 3094, 3328, 3536, 3808, 4352, 5824, 6188, 7072, 7616, 11648, 12376, 14144, 15232, 19927, 23296, 24752, 28288, 30464, 39854, 49504, 56576, 79708, 99008, 139489, 159416, 198016, 259051, 278978, 318832, 338759, 396032, 518102, 557956, 637664, 677518, 1036204, 1115912, 1275328, 1355036, 1813357, 2072408, 2231824, 2371313, 2550656, 2710072, 3626714, 4144816, 4403867, 4463648, 4742626, 5101312, 5420144, 7253428, 8289632, 8807734, 8927296, 9485252, 10840288, 14506856, 16579264, 17615468, 17854592, 18970504, 21680576, 29013712, 30827069, 33158528, 35230936, 35709184, 37941008, 43361152, 58027424, 61654138, 66317056, 70461872, 75882016, 86722304, 116054848, 123308276, 140923744, 151764032, 232109696, 246616552, 281847488, 303528064, 464219392, 493233104, 563694976, 607056128, 986466208, 1127389952, 1972932416, 3945864832, 7891729664]

約数ペア:

[(1, 7891729664), (2, 3945864832), (4, 1972932416), (7, 1127389952), (8, 986466208), (13, 607056128), (14, 563694976), (16, 493233104), (17, 464219392), (26, 303528064), (28, 281847488), (32, 246616552), (34, 232109696), (52, 151764032), (56, 140923744), (64, 123308276), (68, 116054848), (91, 86722304), (104, 75882016), (112, 70461872), (119, 66317056), (128, 61654138), (136, 58027424), (182, 43361152), (208, 37941008), (221, 35709184), (224, 35230936), (238, 33158528), (256, 30827069), (272, 29013712), (364, 21680576), (416, 18970504), (442, 17854592), (448, 17615468), (476, 16579264), (544, 14506856), (728, 10840288), (832, 9485252), (884, 8927296), (896, 8807734), (952, 8289632), (1088, 7253428), (1456, 5420144), (1547, 5101312), (1664, 4742626), (1768, 4463648), (1792, 4403867), (1904, 4144816), (2176, 3626714), (2912, 2710072), (3094, 2550656), (3328, 2371313), (3536, 2231824), (3808, 2072408), (4352, 1813357), (5824, 1355036), (6188, 1275328), (7072, 1115912), (7616, 1036204), (11648, 677518), (12376, 637664), (14144, 557956), (15232, 518102), (19927, 396032), (23296, 338759), (24752, 318832), (28288, 278978), (30464, 259051), (39854, 198016), (49504, 159416), (56576, 139489), (79708, 99008)]