128481208

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{391711}}^1$

素因数の和:391758

約数の個数: 16

約数和(自身を含む): 246778560

約数和(自身を除く): 118297352

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 391711, 783422, 1566844, 3133688, 16060151, 32120302, 64240604, 128481208]

約数ペア:

[(1, 128481208), (2, 64240604), (4, 32120302), (8, 16060151), (41, 3133688), (82, 1566844), (164, 783422), (328, 391711)]