212540976

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{21391}}^1$

素因数の和:21431

約数の個数: 80

約数和(自身を含む): 636625920

約数和(自身を除く): 424084944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 184, 207, 216, 276, 368, 414, 432, 552, 621, 828, 1104, 1242, 1656, 2484, 3312, 4968, 9936, 21391, 42782, 64173, 85564, 128346, 171128, 192519, 256692, 342256, 385038, 491993, 513384, 577557, 770076, 983986, 1026768, 1155114, 1475979, 1540152, 1967972, 2310228, 2951958, 3080304, 3935944, 4427937, 4620456, 5903916, 7871888, 8855874, 9240912, 11807832, 13283811, 17711748, 23615664, 26567622, 35423496, 53135244, 70846992, 106270488, 212540976]

約数ペア:

[(1, 212540976), (2, 106270488), (3, 70846992), (4, 53135244), (6, 35423496), (8, 26567622), (9, 23615664), (12, 17711748), (16, 13283811), (18, 11807832), (23, 9240912), (24, 8855874), (27, 7871888), (36, 5903916), (46, 4620456), (48, 4427937), (54, 3935944), (69, 3080304), (72, 2951958), (92, 2310228), (108, 1967972), (138, 1540152), (144, 1475979), (184, 1155114), (207, 1026768), (216, 983986), (276, 770076), (368, 577557), (414, 513384), (432, 491993), (552, 385038), (621, 342256), (828, 256692), (1104, 192519), (1242, 171128), (1656, 128346), (2484, 85564), (3312, 64173), (4968, 42782), (9936, 21391)]