71782168

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 136778400

約数和(自身を除く): 64996232

約数列:

[1, 2, 4, 8, 109, 218, 263, 313, 436, 526, 626, 872, 1052, 1252, 2104, 2504, 28667, 34117, 57334, 68234, 82319, 114668, 136468, 164638, 229336, 272936, 329276, 658552, 8972771, 17945542, 35891084, 71782168]

約数ペア:

[(1, 71782168), (2, 35891084), (4, 17945542), (8, 8972771), (109, 658552), (218, 329276), (263, 272936), (313, 229336), (436, 164638), (526, 136468), (626, 114668), (872, 82319), (1052, 68234), (1252, 57334), (2104, 34117), (2504, 28667)]