66312869

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 85478400

約数和(自身を除く): 19165531

約数列:

[1, 7, 17, 19, 119, 133, 139, 211, 323, 973, 1477, 2261, 2363, 2641, 3587, 4009, 16541, 18487, 25109, 28063, 29329, 44897, 68153, 205303, 314279, 477071, 498593, 557251, 3490151, 3900757, 9473267, 66312869]

約数ペア:

[(1, 66312869), (7, 9473267), (17, 3900757), (19, 3490151), (119, 557251), (133, 498593), (139, 477071), (211, 314279), (323, 205303), (973, 68153), (1477, 44897), (2261, 29329), (2363, 28063), (2641, 25109), (3587, 18487), (4009, 16541)]