256217983

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{28753}}^1$

素因数の和:28846

約数の個数: 16

約数和(自身を含む): 312843520

約数和(自身を除く): 56625537

約数列:

[1, 7, 19, 67, 133, 469, 1273, 8911, 28753, 201271, 546307, 1926451, 3824149, 13485157, 36602569, 256217983]

約数ペア:

[(1, 256217983), (7, 36602569), (19, 13485157), (67, 3824149), (133, 1926451), (469, 546307), (1273, 201271), (8911, 28753)]