25406696

素因数分解:

$2^3\times 7^3\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 31617304

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 197, 329, 343, 376, 392, 394, 658, 686, 788, 1316, 1372, 1379, 1576, 2303, 2632, 2744, 2758, 4606, 5516, 9212, 9259, 9653, 11032, 16121, 18424, 18518, 19306, 32242, 37036, 38612, 64484, 64813, 67571, 74072, 77224, 128968, 129626, 135142, 259252, 270284, 453691, 518504, 540568, 907382, 1814764, 3175837, 3629528, 6351674, 12703348, 25406696]

約数ペア:

[(1, 25406696), (2, 12703348), (4, 6351674), (7, 3629528), (8, 3175837), (14, 1814764), (28, 907382), (47, 540568), (49, 518504), (56, 453691), (94, 270284), (98, 259252), (188, 135142), (196, 129626), (197, 128968), (329, 77224), (343, 74072), (376, 67571), (392, 64813), (394, 64484), (658, 38612), (686, 37036), (788, 32242), (1316, 19306), (1372, 18518), (1379, 18424), (1576, 16121), (2303, 11032), (2632, 9653), (2744, 9259), (2758, 9212), (4606, 5516)]