393457792

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 128

約数和(自身を含む): 1021991040

約数和(自身を除く): 628533248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 182, 208, 221, 224, 238, 272, 364, 416, 442, 448, 476, 544, 728, 832, 884, 896, 952, 1088, 1456, 1547, 1664, 1768, 1904, 1987, 2176, 2912, 3094, 3536, 3808, 3974, 5824, 6188, 7072, 7616, 7948, 11648, 12376, 13909, 14144, 15232, 15896, 24752, 25831, 27818, 28288, 31792, 33779, 49504, 51662, 55636, 63584, 67558, 99008, 103324, 111272, 127168, 135116, 180817, 198016, 206648, 222544, 236453, 254336, 270232, 361634, 413296, 439127, 445088, 472906, 540464, 723268, 826592, 878254, 890176, 945812, 1080928, 1446536, 1653184, 1756508, 1780352, 1891624, 2161856, 2893072, 3073889, 3306368, 3513016, 3783248, 4323712, 5786144, 6147778, 7026032, 7566496, 11572288, 12295556, 14052064, 15132992, 23144576, 24591112, 28104128, 30265984, 49182224, 56208256, 98364448, 196728896, 393457792]

約数ペア:

[(1, 393457792), (2, 196728896), (4, 98364448), (7, 56208256), (8, 49182224), (13, 30265984), (14, 28104128), (16, 24591112), (17, 23144576), (26, 15132992), (28, 14052064), (32, 12295556), (34, 11572288), (52, 7566496), (56, 7026032), (64, 6147778), (68, 5786144), (91, 4323712), (104, 3783248), (112, 3513016), (119, 3306368), (128, 3073889), (136, 2893072), (182, 2161856), (208, 1891624), (221, 1780352), (224, 1756508), (238, 1653184), (272, 1446536), (364, 1080928), (416, 945812), (442, 890176), (448, 878254), (476, 826592), (544, 723268), (728, 540464), (832, 472906), (884, 445088), (896, 439127), (952, 413296), (1088, 361634), (1456, 270232), (1547, 254336), (1664, 236453), (1768, 222544), (1904, 206648), (1987, 198016), (2176, 180817), (2912, 135116), (3094, 127168), (3536, 111272), (3808, 103324), (3974, 99008), (5824, 67558), (6188, 63584), (7072, 55636), (7616, 51662), (7948, 49504), (11648, 33779), (12376, 31792), (13909, 28288), (14144, 27818), (15232, 25831), (15896, 24752)]