139430224

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{20219}}^1$

素因数の和:20658

約数の個数: 20

約数和(自身を含む): 270786240

約数和(自身を除く): 131356016

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 20219, 40438, 80876, 161752, 323504, 8714389, 17428778, 34857556, 69715112, 139430224]

約数ペア:

[(1, 139430224), (2, 69715112), (4, 34857556), (8, 17428778), (16, 8714389), (431, 323504), (862, 161752), (1724, 80876), (3448, 40438), (6896, 20219)]