28702210

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{5153}}^1$

素因数の和:5717

約数の個数: 16

約数和(自身を含む): 51766776

約数和(自身を除く): 23064566

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 5153, 5570, 10306, 25765, 51530, 2870221, 5740442, 14351105, 28702210]

約数ペア:

[(1, 28702210), (2, 14351105), (5, 5740442), (10, 2870221), (557, 51530), (1114, 25765), (2785, 10306), (5153, 5570)]