129245824

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{16553}}^1$

素因数の和:16628

約数の個数: 32

約数和(自身を含む): 261718740

約数和(自身を除く): 132472916

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 16553, 33106, 66212, 132424, 264848, 529696, 1009733, 1059392, 2019466, 2118784, 4038932, 8077864, 16155728, 32311456, 64622912, 129245824]

約数ペア:

[(1, 129245824), (2, 64622912), (4, 32311456), (8, 16155728), (16, 8077864), (32, 4038932), (61, 2118784), (64, 2019466), (122, 1059392), (128, 1009733), (244, 529696), (488, 264848), (976, 132424), (1952, 66212), (3904, 33106), (7808, 16553)]