81751672

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{883}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 156574080

約数和(自身を除く): 74822408

約数列:

[1, 2, 4, 8, 71, 142, 163, 284, 326, 568, 652, 883, 1304, 1766, 3532, 7064, 11573, 23146, 46292, 62693, 92584, 125386, 143929, 250772, 287858, 501544, 575716, 1151432, 10218959, 20437918, 40875836, 81751672]

約数ペア:

[(1, 81751672), (2, 40875836), (4, 20437918), (8, 10218959), (71, 1151432), (142, 575716), (163, 501544), (284, 287858), (326, 250772), (568, 143929), (652, 125386), (883, 92584), (1304, 62693), (1766, 46292), (3532, 23146), (7064, 11573)]