28212370

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{14321}}^1$

素因数の和:14525

約数の個数: 16

約数和(自身を含む): 51043608

約数和(自身を除く): 22831238

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 14321, 28642, 71605, 143210, 2821237, 5642474, 14106185, 28212370]

約数ペア:

[(1, 28212370), (2, 14106185), (5, 5642474), (10, 2821237), (197, 143210), (394, 71605), (985, 28642), (1970, 14321)]