128975224

素因数分解:

$2^3\times 7^1\times {\mathrm{2303129}}^1$

素因数の和:2303142

約数の個数: 16

約数和(自身を含む): 276375600

約数和(自身を除く): 147400376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2303129, 4606258, 9212516, 16121903, 18425032, 32243806, 64487612, 128975224]

約数ペア:

[(1, 128975224), (2, 64487612), (4, 32243806), (7, 18425032), (8, 16121903), (14, 9212516), (28, 4606258), (56, 2303129)]