128976904

素因数分解:

$2^3\times 7^1\times {\mathrm{2303159}}^1$

素因数の和:2303172

約数の個数: 16

約数和(自身を含む): 276379200

約数和(自身を除く): 147402296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2303159, 4606318, 9212636, 16122113, 18425272, 32244226, 64488452, 128976904]

約数ペア:

[(1, 128976904), (2, 64488452), (4, 32244226), (7, 18425272), (8, 16122113), (14, 9212636), (28, 4606318), (56, 2303159)]