81913856

素因数分解:

$2^{11}\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 179262720

約数和(自身を除く): 97348864

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 47, 64, 74, 92, 94, 128, 148, 184, 188, 256, 296, 368, 376, 512, 592, 736, 752, 851, 1024, 1081, 1184, 1472, 1504, 1702, 1739, 2048, 2162, 2368, 2944, 3008, 3404, 3478, 4324, 4736, 5888, 6016, 6808, 6956, 8648, 9472, 11776, 12032, 13616, 13912, 17296, 18944, 23552, 24064, 27232, 27824, 34592, 37888, 39997, 47104, 48128, 54464, 55648, 69184, 75776, 79994, 96256, 108928, 111296, 138368, 159988, 217856, 222592, 276736, 319976, 435712, 445184, 553472, 639952, 871424, 890368, 1106944, 1279904, 1742848, 1780736, 2213888, 2559808, 3561472, 5119616, 10239232, 20478464, 40956928, 81913856]

約数ペア:

[(1, 81913856), (2, 40956928), (4, 20478464), (8, 10239232), (16, 5119616), (23, 3561472), (32, 2559808), (37, 2213888), (46, 1780736), (47, 1742848), (64, 1279904), (74, 1106944), (92, 890368), (94, 871424), (128, 639952), (148, 553472), (184, 445184), (188, 435712), (256, 319976), (296, 276736), (368, 222592), (376, 217856), (512, 159988), (592, 138368), (736, 111296), (752, 108928), (851, 96256), (1024, 79994), (1081, 75776), (1184, 69184), (1472, 55648), (1504, 54464), (1702, 48128), (1739, 47104), (2048, 39997), (2162, 37888), (2368, 34592), (2944, 27824), (3008, 27232), (3404, 24064), (3478, 23552), (4324, 18944), (4736, 17296), (5888, 13912), (6016, 13616), (6808, 12032), (6956, 11776), (8648, 9472)]