28770238

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{55541}}^1$

素因数の和:55587

約数の個数: 16

約数和(自身を含む): 50654304

約数和(自身を除く): 21884066

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 55541, 111082, 388787, 777574, 2055017, 4110034, 14385119, 28770238]

約数ペア:

[(1, 28770238), (2, 14385119), (7, 4110034), (14, 2055017), (37, 777574), (74, 388787), (259, 111082), (518, 55541)]