128517406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{17707}}^1$

素因数の和:17919

約数の個数: 16

約数和(自身を含む): 203996160

約数和(自身を除く): 75478754

約数列:

[1, 2, 19, 38, 191, 382, 3629, 7258, 17707, 35414, 336433, 672866, 3382037, 6764074, 64258703, 128517406]

約数ペア:

[(1, 128517406), (2, 64258703), (19, 6764074), (38, 3382037), (191, 672866), (382, 336433), (3629, 35414), (7258, 17707)]