128520338

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{4013}}^1$

素因数の和:4321

約数の個数: 16

約数和(自身を含む): 196525440

約数和(自身を除く): 68005102

約数列:

[1, 2, 67, 134, 239, 478, 4013, 8026, 16013, 32026, 268871, 537742, 959107, 1918214, 64260169, 128520338]

約数ペア:

[(1, 128520338), (2, 64260169), (67, 1918214), (134, 959107), (239, 537742), (478, 268871), (4013, 32026), (8026, 16013)]