31453994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 56246400

約数和(自身を除く): 24792406

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1549, 1562, 1846, 3098, 10153, 17039, 20137, 20306, 34078, 40274, 109979, 219958, 221507, 443014, 1209769, 1429727, 2419538, 2859454, 15726997, 31453994]

約数ペア:

[(1, 31453994), (2, 15726997), (11, 2859454), (13, 2419538), (22, 1429727), (26, 1209769), (71, 443014), (142, 221507), (143, 219958), (286, 109979), (781, 40274), (923, 34078), (1549, 20306), (1562, 20137), (1846, 17039), (3098, 10153)]