28709290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{124823}}^1$

素因数の和:124853

約数の個数: 16

約数和(自身を含む): 53923968

約数和(自身を除く): 25214678

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 124823, 249646, 624115, 1248230, 2870929, 5741858, 14354645, 28709290]

約数ペア:

[(1, 28709290), (2, 14354645), (5, 5741858), (10, 2870929), (23, 1248230), (46, 624115), (115, 249646), (230, 124823)]