71881904

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{32321}}^1$

素因数の和:32468

約数の個数: 20

約数和(自身を含む): 140277480

約数和(自身を除く): 68395576

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 32321, 64642, 129284, 258568, 517136, 4492619, 8985238, 17970476, 35940952, 71881904]

約数ペア:

[(1, 71881904), (2, 35940952), (4, 17970476), (8, 8985238), (16, 4492619), (139, 517136), (278, 258568), (556, 129284), (1112, 64642), (2224, 32321)]