2017379888

素因数分解:

$2^4\times {\mathrm{1621}}^1\times {\mathrm{77783}}^1$

素因数の和:79412

約数の個数: 20

約数和(自身を含む): 3911135088

約数和(自身を除く): 1893755200

約数列:

[1, 2, 4, 8, 16, 1621, 3242, 6484, 12968, 25936, 77783, 155566, 311132, 622264, 1244528, 126086243, 252172486, 504344972, 1008689944, 2017379888]

約数ペア:

[(1, 2017379888), (2, 1008689944), (4, 504344972), (8, 252172486), (16, 126086243), (1621, 1244528), (3242, 622264), (6484, 311132), (12968, 155566), (25936, 77783)]