1243246805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{395309}}^1$

素因数の和:395368

約数の個数: 16

約数和(自身を含む): 1622352240

約数和(自身を除く): 379105435

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 395309, 1976545, 6720253, 14626433, 33601265, 73132165, 248649361, 1243246805]

約数ペア:

[(1, 1243246805), (5, 248649361), (17, 73132165), (37, 33601265), (85, 14626433), (185, 6720253), (629, 1976545), (3145, 395309)]