128938978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{484733}}^1$

素因数の和:484761

約数の個数: 16

約数和(自身を含む): 232672320

約数和(自身を除く): 103733342

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 484733, 969466, 3393131, 6786262, 9209927, 18419854, 64469489, 128938978]

約数ペア:

[(1, 128938978), (2, 64469489), (7, 18419854), (14, 9209927), (19, 6786262), (38, 3393131), (133, 969466), (266, 484733)]