81974144

素因数分解:

$2^7\times 7^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 188006400

約数和(自身を除く): 106032256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 191, 224, 382, 448, 479, 764, 896, 958, 1337, 1528, 1916, 2674, 3056, 3353, 3832, 5348, 6112, 6706, 7664, 10696, 12224, 13412, 15328, 21392, 24448, 26824, 30656, 42784, 53648, 61312, 85568, 91489, 107296, 171136, 182978, 214592, 365956, 429184, 640423, 731912, 1280846, 1463824, 2561692, 2927648, 5123384, 5855296, 10246768, 11710592, 20493536, 40987072, 81974144]

約数ペア:

[(1, 81974144), (2, 40987072), (4, 20493536), (7, 11710592), (8, 10246768), (14, 5855296), (16, 5123384), (28, 2927648), (32, 2561692), (56, 1463824), (64, 1280846), (112, 731912), (128, 640423), (191, 429184), (224, 365956), (382, 214592), (448, 182978), (479, 171136), (764, 107296), (896, 91489), (958, 85568), (1337, 61312), (1528, 53648), (1916, 42784), (2674, 30656), (3056, 26824), (3353, 24448), (3832, 21392), (5348, 15328), (6112, 13412), (6706, 12224), (7664, 10696)]