28689970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{124739}}^1$

素因数の和:124769

約数の個数: 16

約数和(自身を含む): 53887680

約数和(自身を除く): 25197710

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 124739, 249478, 623695, 1247390, 2868997, 5737994, 14344985, 28689970]

約数ペア:

[(1, 28689970), (2, 14344985), (5, 5737994), (10, 2868997), (23, 1247390), (46, 623695), (115, 249478), (230, 124739)]