81673984

素因数分解:

$2^8\times 7^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:430

約数の個数: 108

約数和(自身を含む): 201325824

約数和(自身を除く): 119651840

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 196, 224, 238, 256, 272, 383, 392, 448, 476, 544, 766, 784, 833, 896, 952, 1088, 1532, 1568, 1666, 1792, 1904, 2176, 2681, 3064, 3136, 3332, 3808, 4352, 5362, 6128, 6272, 6511, 6664, 7616, 10724, 12256, 12544, 13022, 13328, 15232, 18767, 21448, 24512, 26044, 26656, 30464, 37534, 42896, 45577, 49024, 52088, 53312, 75068, 85792, 91154, 98048, 104176, 106624, 150136, 171584, 182308, 208352, 213248, 300272, 319039, 343168, 364616, 416704, 600544, 638078, 686336, 729232, 833408, 1201088, 1276156, 1458464, 1666816, 2402176, 2552312, 2916928, 4804352, 5104624, 5833856, 10209248, 11667712, 20418496, 40836992, 81673984]

約数ペア:

[(1, 81673984), (2, 40836992), (4, 20418496), (7, 11667712), (8, 10209248), (14, 5833856), (16, 5104624), (17, 4804352), (28, 2916928), (32, 2552312), (34, 2402176), (49, 1666816), (56, 1458464), (64, 1276156), (68, 1201088), (98, 833408), (112, 729232), (119, 686336), (128, 638078), (136, 600544), (196, 416704), (224, 364616), (238, 343168), (256, 319039), (272, 300272), (383, 213248), (392, 208352), (448, 182308), (476, 171584), (544, 150136), (766, 106624), (784, 104176), (833, 98048), (896, 91154), (952, 85792), (1088, 75068), (1532, 53312), (1568, 52088), (1666, 49024), (1792, 45577), (1904, 42896), (2176, 37534), (2681, 30464), (3064, 26656), (3136, 26044), (3332, 24512), (3808, 21448), (4352, 18767), (5362, 15232), (6128, 13328), (6272, 13022), (6511, 12544), (6664, 12256), (7616, 10724)]