19664996869

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{399557}}^1$

素因数の和:399732

約数の個数: 16

約数和(自身を含む): 23014540800

約数和(自身を除く): 3349543931

約数列:

[1, 7, 79, 89, 553, 623, 7031, 49217, 399557, 2796899, 31565003, 35560573, 220955021, 248924011, 2809285267, 19664996869]

約数ペア:

[(1, 19664996869), (7, 2809285267), (79, 248924011), (89, 220955021), (553, 35560573), (623, 31565003), (7031, 2796899), (49217, 399557)]