649933232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 1390015200

約数和(自身を除く): 740081968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 149, 208, 268, 298, 313, 536, 596, 626, 871, 1072, 1192, 1252, 1742, 1937, 2384, 2504, 3484, 3874, 4069, 5008, 6968, 7748, 8138, 9983, 13936, 15496, 16276, 19966, 20971, 30992, 32552, 39932, 41942, 46637, 65104, 79864, 83884, 93274, 129779, 159728, 167768, 186548, 259558, 272623, 335536, 373096, 519116, 545246, 606281, 746192, 1038232, 1090492, 1212562, 2076464, 2180984, 2425124, 3124679, 4361968, 4850248, 6249358, 9700496, 12498716, 24997432, 40620827, 49994864, 81241654, 162483308, 324966616, 649933232]

約数ペア:

[(1, 649933232), (2, 324966616), (4, 162483308), (8, 81241654), (13, 49994864), (16, 40620827), (26, 24997432), (52, 12498716), (67, 9700496), (104, 6249358), (134, 4850248), (149, 4361968), (208, 3124679), (268, 2425124), (298, 2180984), (313, 2076464), (536, 1212562), (596, 1090492), (626, 1038232), (871, 746192), (1072, 606281), (1192, 545246), (1252, 519116), (1742, 373096), (1937, 335536), (2384, 272623), (2504, 259558), (3484, 186548), (3874, 167768), (4069, 159728), (5008, 129779), (6968, 93274), (7748, 83884), (8138, 79864), (9983, 65104), (13936, 46637), (15496, 41942), (16276, 39932), (19966, 32552), (20971, 30992)]