131401264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{432241}}^1$

素因数の和:432268

約数の個数: 20

約数和(自身を含む): 267990040

約数和(自身を除く): 136588776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 432241, 864482, 1728964, 3457928, 6915856, 8212579, 16425158, 32850316, 65700632, 131401264]

約数ペア:

[(1, 131401264), (2, 65700632), (4, 32850316), (8, 16425158), (16, 8212579), (19, 6915856), (38, 3457928), (76, 1728964), (152, 864482), (304, 432241)]