71681792

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 187492032

約数和(自身を除く): 115810240

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, 181, 182, 208, 221, 224, 238, 256, 272, 362, 364, 416, 442, 448, 476, 544, 724, 728, 832, 884, 896, 952, 1088, 1267, 1448, 1456, 1547, 1664, 1768, 1792, 1904, 2176, 2353, 2534, 2896, 2912, 3077, 3094, 3328, 3536, 3808, 4352, 4706, 5068, 5792, 5824, 6154, 6188, 7072, 7616, 9412, 10136, 11584, 11648, 12308, 12376, 14144, 15232, 16471, 18824, 20272, 21539, 23168, 23296, 24616, 24752, 28288, 30464, 32942, 37648, 40001, 40544, 43078, 46336, 49232, 49504, 56576, 65884, 75296, 80002, 81088, 86156, 98464, 99008, 131768, 150592, 160004, 162176, 172312, 196928, 198016, 263536, 280007, 301184, 320008, 324352, 344624, 393856, 396032, 527072, 560014, 602368, 640016, 689248, 787712, 1054144, 1120028, 1280032, 1378496, 2108288, 2240056, 2560064, 2756992, 4216576, 4480112, 5120128, 5513984, 8960224, 10240256, 17920448, 35840896, 71681792]

約数ペア:

[(1, 71681792), (2, 35840896), (4, 17920448), (7, 10240256), (8, 8960224), (13, 5513984), (14, 5120128), (16, 4480112), (17, 4216576), (26, 2756992), (28, 2560064), (32, 2240056), (34, 2108288), (52, 1378496), (56, 1280032), (64, 1120028), (68, 1054144), (91, 787712), (104, 689248), (112, 640016), (119, 602368), (128, 560014), (136, 527072), (181, 396032), (182, 393856), (208, 344624), (221, 324352), (224, 320008), (238, 301184), (256, 280007), (272, 263536), (362, 198016), (364, 196928), (416, 172312), (442, 162176), (448, 160004), (476, 150592), (544, 131768), (724, 99008), (728, 98464), (832, 86156), (884, 81088), (896, 80002), (952, 75296), (1088, 65884), (1267, 56576), (1448, 49504), (1456, 49232), (1547, 46336), (1664, 43078), (1768, 40544), (1792, 40001), (1904, 37648), (2176, 32942), (2353, 30464), (2534, 28288), (2896, 24752), (2912, 24616), (3077, 23296), (3094, 23168), (3328, 21539), (3536, 20272), (3808, 18824), (4352, 16471), (4706, 15232), (5068, 14144), (5792, 12376), (5824, 12308), (6154, 11648), (6188, 11584), (7072, 10136), (7616, 9412)]