128568178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{13457}}^1$

素因数の和:13757

約数の個数: 16

約数和(自身を含む): 204938424

約数和(自身を除く): 76370246

約数列:

[1, 2, 17, 34, 281, 562, 4777, 9554, 13457, 26914, 228769, 457538, 3781417, 7562834, 64284089, 128568178]

約数ペア:

[(1, 128568178), (2, 64284089), (17, 7562834), (34, 3781417), (281, 457538), (562, 228769), (4777, 26914), (9554, 13457)]