128604674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157991}}^1$

素因数の和:158041

約数の個数: 16

約数和(自身を含む): 216133056

約数和(自身を除く): 87528382

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 157991, 315982, 1737901, 3475802, 5845667, 11691334, 64302337, 128604674]

約数ペア:

[(1, 128604674), (2, 64302337), (11, 11691334), (22, 5845667), (37, 3475802), (74, 1737901), (407, 315982), (814, 157991)]