81570857

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2557}}^1$

素因数の和:2672

約数の個数: 16

約数和(自身を含む): 90860160

約数和(自身を除く): 9289303

約数列:

[1, 19, 23, 73, 437, 1387, 1679, 2557, 31901, 48583, 58811, 186661, 1117409, 3546559, 4293203, 81570857]

約数ペア:

[(1, 81570857), (19, 4293203), (23, 3546559), (73, 1117409), (437, 186661), (1387, 58811), (1679, 48583), (2557, 31901)]