25771438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2357}}^1$

素因数の和:2448

約数の個数: 32

約数和(自身を含む): 48895488

約数和(自身を除く): 23124050

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 2357, 4714, 5467, 10934, 16499, 25927, 32998, 51854, 167347, 181489, 334694, 362978, 1171429, 1840817, 2342858, 3681634, 12885719, 25771438]

約数ペア:

[(1, 25771438), (2, 12885719), (7, 3681634), (11, 2342858), (14, 1840817), (22, 1171429), (71, 362978), (77, 334694), (142, 181489), (154, 167347), (497, 51854), (781, 32998), (994, 25927), (1562, 16499), (2357, 10934), (4714, 5467)]