66791792

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{40529}}^1$

素因数の和:40640

約数の個数: 20

約数和(自身を含む): 130668720

約数和(自身を除く): 63876928

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 40529, 81058, 162116, 324232, 648464, 4174487, 8348974, 16697948, 33395896, 66791792]

約数ペア:

[(1, 66791792), (2, 33395896), (4, 16697948), (8, 8348974), (16, 4174487), (103, 648464), (206, 324232), (412, 162116), (824, 81058), (1648, 40529)]