68840044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 148960000

約数和(自身を除く): 80119956

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 379, 499, 758, 998, 1516, 1996, 2653, 3493, 4927, 5306, 6487, 6986, 9854, 10612, 12974, 13972, 19708, 25948, 34489, 45409, 68978, 90818, 137956, 181636, 189121, 378242, 756484, 1323847, 2458573, 2647694, 4917146, 5295388, 9834292, 17210011, 34420022, 68840044]

約数ペア:

[(1, 68840044), (2, 34420022), (4, 17210011), (7, 9834292), (13, 5295388), (14, 4917146), (26, 2647694), (28, 2458573), (52, 1323847), (91, 756484), (182, 378242), (364, 189121), (379, 181636), (499, 137956), (758, 90818), (998, 68978), (1516, 45409), (1996, 34489), (2653, 25948), (3493, 19708), (4927, 13972), (5306, 12974), (6487, 10612), (6986, 9854)]