15661972045

素因数分解:

$5^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1\times {\mathrm{20161}}^1$

素因数の和:21036

約数の個数: 16

約数和(自身を含む): 18900665280

約数和(自身を除く): 3238693235

約数列:

[1, 5, 251, 619, 1255, 3095, 20161, 100805, 155369, 776845, 5060411, 12479659, 25302055, 62398295, 3132394409, 15661972045]

約数ペア:

[(1, 15661972045), (5, 3132394409), (251, 62398295), (619, 25302055), (1255, 12479659), (3095, 5060411), (20161, 776845), (100805, 155369)]