128514841

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 167731200

約数和(自身を除く): 39216359

約数列:

[1, 7, 13, 19, 91, 133, 239, 247, 311, 1673, 1729, 2177, 3107, 4043, 4541, 5909, 21749, 28301, 31787, 41363, 59033, 74329, 76817, 413231, 520303, 537719, 966277, 1412251, 6763939, 9885757, 18359263, 128514841]

約数ペア:

[(1, 128514841), (7, 18359263), (13, 9885757), (19, 6763939), (91, 1412251), (133, 966277), (239, 537719), (247, 520303), (311, 413231), (1673, 76817), (1729, 74329), (2177, 59033), (3107, 41363), (4043, 31787), (4541, 28301), (5909, 21749)]