261423204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 758878848

約数和(自身を除く): 497455644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 74, 76, 84, 111, 114, 133, 148, 222, 228, 233, 259, 266, 361, 399, 444, 466, 518, 532, 699, 703, 722, 777, 798, 932, 1036, 1083, 1398, 1406, 1444, 1554, 1596, 1631, 2109, 2166, 2527, 2796, 2812, 3108, 3262, 4218, 4332, 4427, 4893, 4921, 5054, 6524, 7581, 8436, 8621, 8854, 9786, 9842, 10108, 13281, 13357, 14763, 15162, 17242, 17708, 19572, 19684, 25863, 26562, 26714, 29526, 30324, 30989, 34484, 40071, 51726, 53124, 53428, 59052, 60347, 61978, 80142, 84113, 92967, 93499, 103452, 120694, 123956, 160284, 163799, 168226, 181041, 185934, 186998, 241388, 252339, 280497, 327598, 336452, 362082, 371868, 373996, 491397, 504678, 560994, 588791, 655196, 724164, 982794, 1009356, 1121988, 1146593, 1177582, 1766373, 1965588, 2293186, 2355164, 3112181, 3439779, 3532746, 4586372, 6224362, 6879558, 7065492, 9336543, 12448724, 13759116, 18673086, 21785267, 37346172, 43570534, 65355801, 87141068, 130711602, 261423204]

約数ペア:

[(1, 261423204), (2, 130711602), (3, 87141068), (4, 65355801), (6, 43570534), (7, 37346172), (12, 21785267), (14, 18673086), (19, 13759116), (21, 12448724), (28, 9336543), (37, 7065492), (38, 6879558), (42, 6224362), (57, 4586372), (74, 3532746), (76, 3439779), (84, 3112181), (111, 2355164), (114, 2293186), (133, 1965588), (148, 1766373), (222, 1177582), (228, 1146593), (233, 1121988), (259, 1009356), (266, 982794), (361, 724164), (399, 655196), (444, 588791), (466, 560994), (518, 504678), (532, 491397), (699, 373996), (703, 371868), (722, 362082), (777, 336452), (798, 327598), (932, 280497), (1036, 252339), (1083, 241388), (1398, 186998), (1406, 185934), (1444, 181041), (1554, 168226), (1596, 163799), (1631, 160284), (2109, 123956), (2166, 120694), (2527, 103452), (2796, 93499), (2812, 92967), (3108, 84113), (3262, 80142), (4218, 61978), (4332, 60347), (4427, 59052), (4893, 53428), (4921, 53124), (5054, 51726), (6524, 40071), (7581, 34484), (8436, 30989), (8621, 30324), (8854, 29526), (9786, 26714), (9842, 26562), (10108, 25863), (13281, 19684), (13357, 19572), (14763, 17708), (15162, 17242)]