28744025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 38568960

約数和(自身を除く): 9824935

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 1439, 3995, 7195, 19975, 24463, 35975, 67633, 122315, 338165, 611575, 1149761, 1690825, 5748805, 28744025]

約数ペア:

[(1, 28744025), (5, 5748805), (17, 1690825), (25, 1149761), (47, 611575), (85, 338165), (235, 122315), (425, 67633), (799, 35975), (1175, 24463), (1439, 19975), (3995, 7195)]