25990118

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2377}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 49310208

約数和(自身を除く): 23320090

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 2377, 4754, 5467, 10934, 16639, 26147, 33278, 52294, 168767, 183029, 337534, 366058, 1181369, 1856437, 2362738, 3712874, 12995059, 25990118]

約数ペア:

[(1, 25990118), (2, 12995059), (7, 3712874), (11, 2362738), (14, 1856437), (22, 1181369), (71, 366058), (77, 337534), (142, 183029), (154, 168767), (497, 52294), (781, 33278), (994, 26147), (1562, 16639), (2377, 10934), (4754, 5467)]