131306305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 175633920

約数和(自身を除く): 44327615

約数列:

[1, 5, 13, 43, 65, 109, 215, 431, 545, 559, 1417, 2155, 2795, 4687, 5603, 7085, 18533, 23435, 28015, 46979, 60931, 92665, 234895, 240929, 304655, 610727, 1204645, 2020097, 3053635, 10100485, 26261261, 131306305]

約数ペア:

[(1, 131306305), (5, 26261261), (13, 10100485), (43, 3053635), (65, 2020097), (109, 1204645), (215, 610727), (431, 304655), (545, 240929), (559, 234895), (1417, 92665), (2155, 60931), (2795, 46979), (4687, 28015), (5603, 23435), (7085, 18533)]