129840256

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 324898560

約数和(自身を除く): 195058304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 71, 91, 104, 112, 128, 142, 157, 182, 208, 224, 284, 314, 364, 416, 448, 497, 568, 628, 728, 832, 896, 923, 994, 1099, 1136, 1256, 1456, 1664, 1846, 1988, 2041, 2198, 2272, 2512, 2912, 3692, 3976, 4082, 4396, 4544, 5024, 5824, 6461, 7384, 7952, 8164, 8792, 9088, 10048, 11147, 11648, 12922, 14287, 14768, 15904, 16328, 17584, 20096, 22294, 25844, 28574, 29536, 31808, 32656, 35168, 44588, 51688, 57148, 59072, 63616, 65312, 70336, 78029, 89176, 103376, 114296, 118144, 130624, 140672, 144911, 156058, 178352, 206752, 228592, 261248, 289822, 312116, 356704, 413504, 457184, 579644, 624232, 713408, 827008, 914368, 1014377, 1159288, 1248464, 1426816, 1828736, 2028754, 2318576, 2496928, 4057508, 4637152, 4993856, 8115016, 9274304, 9987712, 16230032, 18548608, 32460064, 64920128, 129840256]

約数ペア:

[(1, 129840256), (2, 64920128), (4, 32460064), (7, 18548608), (8, 16230032), (13, 9987712), (14, 9274304), (16, 8115016), (26, 4993856), (28, 4637152), (32, 4057508), (52, 2496928), (56, 2318576), (64, 2028754), (71, 1828736), (91, 1426816), (104, 1248464), (112, 1159288), (128, 1014377), (142, 914368), (157, 827008), (182, 713408), (208, 624232), (224, 579644), (284, 457184), (314, 413504), (364, 356704), (416, 312116), (448, 289822), (497, 261248), (568, 228592), (628, 206752), (728, 178352), (832, 156058), (896, 144911), (923, 140672), (994, 130624), (1099, 118144), (1136, 114296), (1256, 103376), (1456, 89176), (1664, 78029), (1846, 70336), (1988, 65312), (2041, 63616), (2198, 59072), (2272, 57148), (2512, 51688), (2912, 44588), (3692, 35168), (3976, 32656), (4082, 31808), (4396, 29536), (4544, 28574), (5024, 25844), (5824, 22294), (6461, 20096), (7384, 17584), (7952, 16328), (8164, 15904), (8792, 14768), (9088, 14287), (10048, 12922), (11147, 11648)]