30991184

素因数分解:

$2^4\times 7^1\times {\mathrm{276707}}^1$

素因数の和:276722

約数の個数: 20

約数和(自身を含む): 68623584

約数和(自身を除く): 37632400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 276707, 553414, 1106828, 1936949, 2213656, 3873898, 4427312, 7747796, 15495592, 30991184]

約数ペア:

[(1, 30991184), (2, 15495592), (4, 7747796), (7, 4427312), (8, 3873898), (14, 2213656), (16, 1936949), (28, 1106828), (56, 553414), (112, 276707)]