128873984

素因数分解:

$2^9\times {\mathrm{251707}}^1$

素因数の和:251725

約数の個数: 20

約数和(自身を含む): 257497284

約数和(自身を除く): 128623300

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 251707, 503414, 1006828, 2013656, 4027312, 8054624, 16109248, 32218496, 64436992, 128873984]

約数ペア:

[(1, 128873984), (2, 64436992), (4, 32218496), (8, 16109248), (16, 8054624), (32, 4027312), (64, 2013656), (128, 1006828), (256, 503414), (512, 251707)]