261204216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 809088000

約数和(自身を除く): 547883784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 199, 273, 312, 364, 398, 546, 597, 601, 728, 796, 1092, 1194, 1202, 1393, 1592, 1803, 2184, 2388, 2404, 2587, 2786, 3606, 4179, 4207, 4776, 4808, 5174, 5572, 7212, 7761, 7813, 8358, 8414, 10348, 11144, 12621, 14424, 15522, 15626, 16716, 16828, 18109, 20696, 23439, 25242, 31044, 31252, 33432, 33656, 36218, 46878, 50484, 54327, 54691, 62088, 62504, 72436, 93756, 100968, 108654, 109382, 119599, 144872, 164073, 187512, 217308, 218764, 239198, 328146, 358797, 434616, 437528, 478396, 656292, 717594, 837193, 956792, 1312584, 1435188, 1554787, 1674386, 2511579, 2870376, 3109574, 3348772, 4664361, 5023158, 6219148, 6697544, 9328722, 10046316, 10883509, 12438296, 18657444, 20092632, 21767018, 32650527, 37314888, 43534036, 65301054, 87068072, 130602108, 261204216]

約数ペア:

[(1, 261204216), (2, 130602108), (3, 87068072), (4, 65301054), (6, 43534036), (7, 37314888), (8, 32650527), (12, 21767018), (13, 20092632), (14, 18657444), (21, 12438296), (24, 10883509), (26, 10046316), (28, 9328722), (39, 6697544), (42, 6219148), (52, 5023158), (56, 4664361), (78, 3348772), (84, 3109574), (91, 2870376), (104, 2511579), (156, 1674386), (168, 1554787), (182, 1435188), (199, 1312584), (273, 956792), (312, 837193), (364, 717594), (398, 656292), (546, 478396), (597, 437528), (601, 434616), (728, 358797), (796, 328146), (1092, 239198), (1194, 218764), (1202, 217308), (1393, 187512), (1592, 164073), (1803, 144872), (2184, 119599), (2388, 109382), (2404, 108654), (2587, 100968), (2786, 93756), (3606, 72436), (4179, 62504), (4207, 62088), (4776, 54691), (4808, 54327), (5174, 50484), (5572, 46878), (7212, 36218), (7761, 33656), (7813, 33432), (8358, 31252), (8414, 31044), (10348, 25242), (11144, 23439), (12621, 20696), (14424, 18109), (15522, 16828), (15626, 16716)]