87721088

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 228251520

約数和(自身を除く): 140530432

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, 443, 448, 476, 544, 728, 832, 884, 886, 896, 952, 1088, 1456, 1547, 1664, 1768, 1772, 1904, 2176, 2912, 3094, 3101, 3536, 3544, 3808, 5759, 5824, 6188, 6202, 7072, 7088, 7531, 7616, 11518, 11648, 12376, 12404, 14144, 14176, 15062, 15232, 23036, 24752, 24808, 28288, 28352, 30124, 40313, 46072, 49504, 49616, 52717, 56704, 60248, 80626, 92144, 97903, 99008, 99232, 105434, 120496, 161252, 184288, 195806, 198016, 198464, 210868, 240992, 322504, 368576, 391612, 396928, 421736, 481984, 645008, 685321, 737152, 783224, 843472, 963968, 1290016, 1370642, 1566448, 1686944, 2580032, 2741284, 3132896, 3373888, 5160064, 5482568, 6265792, 6747776, 10965136, 12531584, 21930272, 43860544, 87721088]

約数ペア:

[(1, 87721088), (2, 43860544), (4, 21930272), (7, 12531584), (8, 10965136), (13, 6747776), (14, 6265792), (16, 5482568), (17, 5160064), (26, 3373888), (28, 3132896), (32, 2741284), (34, 2580032), (52, 1686944), (56, 1566448), (64, 1370642), (68, 1290016), (91, 963968), (104, 843472), (112, 783224), (119, 737152), (128, 685321), (136, 645008), (182, 481984), (208, 421736), (221, 396928), (224, 391612), (238, 368576), (272, 322504), (364, 240992), (416, 210868), (442, 198464), (443, 198016), (448, 195806), (476, 184288), (544, 161252), (728, 120496), (832, 105434), (884, 99232), (886, 99008), (896, 97903), (952, 92144), (1088, 80626), (1456, 60248), (1547, 56704), (1664, 52717), (1768, 49616), (1772, 49504), (1904, 46072), (2176, 40313), (2912, 30124), (3094, 28352), (3101, 28288), (3536, 24808), (3544, 24752), (3808, 23036), (5759, 15232), (5824, 15062), (6188, 14176), (6202, 14144), (7072, 12404), (7088, 12376), (7531, 11648), (7616, 11518)]