71168

素因数分解:

$2^9\times {\mathrm{139}}^1$

素因数の和:157

約数の個数: 20

約数和(自身を含む): 143220

約数和(自身を除く): 72052

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 512, 556, 1112, 2224, 4448, 8896, 17792, 35584, 71168]

約数ペア:

[(1, 71168), (2, 35584), (4, 17792), (8, 8896), (16, 4448), (32, 2224), (64, 1112), (128, 556), (139, 512), (256, 278)]