128244208

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 252827568

約数和(自身を除く): 124583360

約数列:

[1, 2, 4, 8, 16, 107, 173, 214, 346, 428, 433, 692, 856, 866, 1384, 1712, 1732, 2768, 3464, 6928, 18511, 37022, 46331, 74044, 74909, 92662, 148088, 149818, 185324, 296176, 299636, 370648, 599272, 741296, 1198544, 8015263, 16030526, 32061052, 64122104, 128244208]

約数ペア:

[(1, 128244208), (2, 64122104), (4, 32061052), (8, 16030526), (16, 8015263), (107, 1198544), (173, 741296), (214, 599272), (346, 370648), (428, 299636), (433, 296176), (692, 185324), (856, 149818), (866, 148088), (1384, 92662), (1712, 74909), (1732, 74044), (2768, 46331), (3464, 37022), (6928, 18511)]