128221931074

素因数分解:

$2^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1\times {\mathrm{405491}}^1$

素因数の和:406425

約数の個数: 16

約数和(自身を含む): 193468343040

約数和(自身を除く): 65246411966

約数列:

[1, 2, 223, 446, 709, 1418, 158107, 316214, 405491, 810982, 90424493, 180848986, 287493119, 574986238, 64110965537, 128221931074]

約数ペア:

[(1, 128221931074), (2, 64110965537), (223, 574986238), (446, 287493119), (709, 180848986), (1418, 90424493), (158107, 810982), (316214, 405491)]