28947149

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 38019072

約数和(自身を除く): 9071923

約数列:

[1, 7, 11, 31, 67, 77, 181, 217, 341, 469, 737, 1267, 1991, 2077, 2387, 5159, 5611, 12127, 13937, 14539, 22847, 39277, 61721, 84889, 133397, 159929, 375937, 432047, 933779, 2631559, 4135307, 28947149]

約数ペア:

[(1, 28947149), (7, 4135307), (11, 2631559), (31, 933779), (67, 432047), (77, 375937), (181, 159929), (217, 133397), (341, 84889), (469, 61721), (737, 39277), (1267, 22847), (1991, 14539), (2077, 13937), (2387, 12127), (5159, 5611)]