28978792

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 55615680

約数和(自身を除く): 26636888

約数列:

[1, 2, 4, 8, 71, 142, 163, 284, 313, 326, 568, 626, 652, 1252, 1304, 2504, 11573, 22223, 23146, 44446, 46292, 51019, 88892, 92584, 102038, 177784, 204076, 408152, 3622349, 7244698, 14489396, 28978792]

約数ペア:

[(1, 28978792), (2, 14489396), (4, 7244698), (8, 3622349), (71, 408152), (142, 204076), (163, 177784), (284, 102038), (313, 92584), (326, 88892), (568, 51019), (626, 46292), (652, 44446), (1252, 23146), (1304, 22223), (2504, 11573)]