71357728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 152039160

約数和(自身を除く): 80681432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 337, 416, 509, 674, 1018, 1348, 2036, 2696, 4072, 4381, 5392, 6617, 8144, 8762, 10784, 13234, 16288, 17524, 26468, 35048, 52936, 70096, 105872, 140192, 171533, 211744, 343066, 686132, 1372264, 2229929, 2744528, 4459858, 5489056, 8919716, 17839432, 35678864, 71357728]

約数ペア:

[(1, 71357728), (2, 35678864), (4, 17839432), (8, 8919716), (13, 5489056), (16, 4459858), (26, 2744528), (32, 2229929), (52, 1372264), (104, 686132), (208, 343066), (337, 211744), (416, 171533), (509, 140192), (674, 105872), (1018, 70096), (1348, 52936), (2036, 35048), (2696, 26468), (4072, 17524), (4381, 16288), (5392, 13234), (6617, 10784), (8144, 8762)]