678659618

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{547}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 1332350208

約数和(自身を除く): 653690590

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 401, 442, 547, 802, 1094, 1547, 2807, 3094, 3829, 5213, 5614, 6817, 7111, 7658, 9299, 10426, 13634, 14222, 18598, 36491, 47719, 49777, 65093, 72982, 88621, 95438, 99554, 120887, 130186, 177242, 219347, 241774, 438694, 620347, 846209, 1240694, 1535429, 1692418, 2851511, 3070858, 3728899, 5703022, 7457798, 19960577, 26102293, 39921154, 48475687, 52204586, 96951374, 339329809, 678659618]

約数ペア:

[(1, 678659618), (2, 339329809), (7, 96951374), (13, 52204586), (14, 48475687), (17, 39921154), (26, 26102293), (34, 19960577), (91, 7457798), (119, 5703022), (182, 3728899), (221, 3070858), (238, 2851511), (401, 1692418), (442, 1535429), (547, 1240694), (802, 846209), (1094, 620347), (1547, 438694), (2807, 241774), (3094, 219347), (3829, 177242), (5213, 130186), (5614, 120887), (6817, 99554), (7111, 95438), (7658, 88621), (9299, 72982), (10426, 65093), (13634, 49777), (14222, 47719), (18598, 36491)]