2551427968

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:316

約数の個数: 128

約数和(自身を含む): 5439651840

約数和(自身を除く): 2888223872

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 83, 122, 124, 127, 128, 166, 244, 248, 254, 332, 488, 496, 508, 664, 976, 992, 1016, 1328, 1891, 1952, 1984, 2032, 2573, 2656, 3782, 3904, 3937, 3968, 4064, 5063, 5146, 5312, 7564, 7747, 7808, 7874, 8128, 10126, 10292, 10541, 10624, 15128, 15494, 15748, 16256, 20252, 20584, 21082, 30256, 30988, 31496, 40504, 41168, 42164, 60512, 61976, 62992, 81008, 82336, 84328, 121024, 123952, 125984, 156953, 162016, 164672, 168656, 240157, 242048, 247904, 251968, 313906, 324032, 326771, 329344, 337312, 480314, 495808, 503936, 627812, 643001, 648064, 653542, 674624, 960628, 991616, 1255624, 1286002, 1307084, 1349248, 1921256, 2511248, 2572004, 2614168, 3842512, 5022496, 5144008, 5228336, 7685024, 10044992, 10288016, 10456672, 15370048, 19933031, 20089984, 20576032, 20913344, 30740096, 39866062, 41152064, 41826688, 79732124, 82304128, 159464248, 318928496, 637856992, 1275713984, 2551427968]

約数ペア:

[(1, 2551427968), (2, 1275713984), (4, 637856992), (8, 318928496), (16, 159464248), (31, 82304128), (32, 79732124), (61, 41826688), (62, 41152064), (64, 39866062), (83, 30740096), (122, 20913344), (124, 20576032), (127, 20089984), (128, 19933031), (166, 15370048), (244, 10456672), (248, 10288016), (254, 10044992), (332, 7685024), (488, 5228336), (496, 5144008), (508, 5022496), (664, 3842512), (976, 2614168), (992, 2572004), (1016, 2511248), (1328, 1921256), (1891, 1349248), (1952, 1307084), (1984, 1286002), (2032, 1255624), (2573, 991616), (2656, 960628), (3782, 674624), (3904, 653542), (3937, 648064), (3968, 643001), (4064, 627812), (5063, 503936), (5146, 495808), (5312, 480314), (7564, 337312), (7747, 329344), (7808, 326771), (7874, 324032), (8128, 313906), (10126, 251968), (10292, 247904), (10541, 242048), (10624, 240157), (15128, 168656), (15494, 164672), (15748, 162016), (16256, 156953), (20252, 125984), (20584, 123952), (21082, 121024), (30256, 84328), (30988, 82336), (31496, 81008), (40504, 62992), (41168, 61976), (42164, 60512)]