78424905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 63501495

約数列:

[1, 3, 5, 13, 15, 39, 43, 47, 65, 129, 141, 195, 199, 215, 235, 559, 597, 611, 645, 705, 995, 1677, 1833, 2021, 2587, 2795, 2985, 3055, 6063, 7761, 8385, 8557, 9165, 9353, 10105, 12935, 25671, 26273, 28059, 30315, 38805, 42785, 46765, 78819, 111241, 121589, 128355, 131365, 140295, 333723, 364767, 394095, 402179, 556205, 607945, 1206537, 1668615, 1823835, 2010895, 5228327, 6032685, 15684981, 26141635, 78424905]

約数ペア:

[(1, 78424905), (3, 26141635), (5, 15684981), (13, 6032685), (15, 5228327), (39, 2010895), (43, 1823835), (47, 1668615), (65, 1206537), (129, 607945), (141, 556205), (195, 402179), (199, 394095), (215, 364767), (235, 333723), (559, 140295), (597, 131365), (611, 128355), (645, 121589), (705, 111241), (995, 78819), (1677, 46765), (1833, 42785), (2021, 38805), (2587, 30315), (2795, 28059), (2985, 26273), (3055, 25671), (6063, 12935), (7761, 10105), (8385, 9353), (8557, 9165)]