399998144

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:602

約数の個数: 112

約数和(自身を含む): 985040448

約数和(自身を除く): 585042304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 173, 182, 208, 224, 346, 364, 397, 416, 448, 692, 728, 794, 832, 1211, 1384, 1456, 1588, 2249, 2422, 2768, 2779, 2912, 3176, 4498, 4844, 5161, 5536, 5558, 5824, 6352, 8996, 9688, 10322, 11072, 11116, 12704, 15743, 17992, 19376, 20644, 22232, 25408, 31486, 35984, 36127, 38752, 41288, 44464, 62972, 68681, 71968, 72254, 77504, 82576, 88928, 125944, 137362, 143936, 144508, 165152, 177856, 251888, 274724, 289016, 330304, 480767, 503776, 549448, 578032, 892853, 961534, 1007552, 1098896, 1156064, 1785706, 1923068, 2197792, 2312128, 3571412, 3846136, 4395584, 6249971, 7142824, 7692272, 12499942, 14285648, 15384544, 24999884, 28571296, 30769088, 49999768, 57142592, 99999536, 199999072, 399998144]

約数ペア:

[(1, 399998144), (2, 199999072), (4, 99999536), (7, 57142592), (8, 49999768), (13, 30769088), (14, 28571296), (16, 24999884), (26, 15384544), (28, 14285648), (32, 12499942), (52, 7692272), (56, 7142824), (64, 6249971), (91, 4395584), (104, 3846136), (112, 3571412), (173, 2312128), (182, 2197792), (208, 1923068), (224, 1785706), (346, 1156064), (364, 1098896), (397, 1007552), (416, 961534), (448, 892853), (692, 578032), (728, 549448), (794, 503776), (832, 480767), (1211, 330304), (1384, 289016), (1456, 274724), (1588, 251888), (2249, 177856), (2422, 165152), (2768, 144508), (2779, 143936), (2912, 137362), (3176, 125944), (4498, 88928), (4844, 82576), (5161, 77504), (5536, 72254), (5558, 71968), (5824, 68681), (6352, 62972), (8996, 44464), (9688, 41288), (10322, 38752), (11072, 36127), (11116, 35984), (12704, 31486), (15743, 25408), (17992, 22232), (19376, 20644)]