28876972

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 51367680

約数和(自身を除く): 22490708

約数列:

[1, 2, 4, 139, 167, 278, 311, 334, 556, 622, 668, 1244, 23213, 43229, 46426, 51937, 86458, 92852, 103874, 172916, 207748, 7219243, 14438486, 28876972]

約数ペア:

[(1, 28876972), (2, 14438486), (4, 7219243), (139, 207748), (167, 172916), (278, 103874), (311, 92852), (334, 86458), (556, 51937), (622, 46426), (668, 43229), (1244, 23213)]