28423930

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 52390800

約数和(自身を除く): 23966870

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 293, 445, 545, 586, 890, 1090, 1465, 2930, 9701, 19402, 26077, 31937, 48505, 52154, 63874, 97010, 130385, 159685, 260770, 319370, 2842393, 5684786, 14211965, 28423930]

約数ペア:

[(1, 28423930), (2, 14211965), (5, 5684786), (10, 2842393), (89, 319370), (109, 260770), (178, 159685), (218, 130385), (293, 97010), (445, 63874), (545, 52154), (586, 48505), (890, 31937), (1090, 26077), (1465, 19402), (2930, 9701)]