64648444

素因数分解:

$2^2\times 7^2\times {\mathrm{499}}^1\times {\mathrm{661}}^1$

素因数の和:1178

約数の個数: 36

約数和(自身を含む): 132069000

約数和(自身を除く): 67420556

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 499, 661, 998, 1322, 1996, 2644, 3493, 4627, 6986, 9254, 13972, 18508, 24451, 32389, 48902, 64778, 97804, 129556, 329839, 659678, 1319356, 2308873, 4617746, 9235492, 16162111, 32324222, 64648444]

約数ペア:

[(1, 64648444), (2, 32324222), (4, 16162111), (7, 9235492), (14, 4617746), (28, 2308873), (49, 1319356), (98, 659678), (196, 329839), (499, 129556), (661, 97804), (998, 64778), (1322, 48902), (1996, 32389), (2644, 24451), (3493, 18508), (4627, 13972), (6986, 9254)]