261458964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 739694592

約数和(自身を除く): 478235628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 83, 106, 117, 127, 156, 159, 166, 212, 234, 249, 254, 318, 332, 381, 468, 477, 498, 508, 636, 689, 747, 762, 954, 996, 1079, 1143, 1378, 1494, 1524, 1651, 1908, 2067, 2158, 2286, 2756, 2988, 3237, 3302, 4134, 4316, 4399, 4572, 4953, 6201, 6474, 6604, 6731, 8268, 8798, 9711, 9906, 10541, 12402, 12948, 13197, 13462, 14859, 17596, 19422, 19812, 20193, 21082, 24804, 26394, 26924, 29718, 31623, 38844, 39591, 40386, 42164, 52788, 57187, 59436, 60579, 63246, 79182, 80772, 87503, 94869, 114374, 121158, 126492, 137033, 158364, 171561, 175006, 189738, 228748, 242316, 262509, 274066, 343122, 350012, 379476, 411099, 514683, 525018, 548132, 558673, 686244, 787527, 822198, 1029366, 1050036, 1117346, 1233297, 1575054, 1644396, 1676019, 2058732, 2234692, 2466594, 3150108, 3352038, 4933188, 5028057, 6704076, 7262749, 10056114, 14525498, 20112228, 21788247, 29050996, 43576494, 65364741, 87152988, 130729482, 261458964]

約数ペア:

[(1, 261458964), (2, 130729482), (3, 87152988), (4, 65364741), (6, 43576494), (9, 29050996), (12, 21788247), (13, 20112228), (18, 14525498), (26, 10056114), (36, 7262749), (39, 6704076), (52, 5028057), (53, 4933188), (78, 3352038), (83, 3150108), (106, 2466594), (117, 2234692), (127, 2058732), (156, 1676019), (159, 1644396), (166, 1575054), (212, 1233297), (234, 1117346), (249, 1050036), (254, 1029366), (318, 822198), (332, 787527), (381, 686244), (468, 558673), (477, 548132), (498, 525018), (508, 514683), (636, 411099), (689, 379476), (747, 350012), (762, 343122), (954, 274066), (996, 262509), (1079, 242316), (1143, 228748), (1378, 189738), (1494, 175006), (1524, 171561), (1651, 158364), (1908, 137033), (2067, 126492), (2158, 121158), (2286, 114374), (2756, 94869), (2988, 87503), (3237, 80772), (3302, 79182), (4134, 63246), (4316, 60579), (4399, 59436), (4572, 57187), (4953, 52788), (6201, 42164), (6474, 40386), (6604, 39591), (6731, 38844), (8268, 31623), (8798, 29718), (9711, 26924), (9906, 26394), (10541, 24804), (12402, 21082), (12948, 20193), (13197, 19812), (13462, 19422), (14859, 17596)]