645749916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{7687499}}^1$

素因数の和:7687513

約数の個数: 24

約数和(自身を含む): 1722000000

約数和(自身を除く): 1076250084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 7687499, 15374998, 23062497, 30749996, 46124994, 53812493, 92249988, 107624986, 161437479, 215249972, 322874958, 645749916]

約数ペア:

[(1, 645749916), (2, 322874958), (3, 215249972), (4, 161437479), (6, 107624986), (7, 92249988), (12, 53812493), (14, 46124994), (21, 30749996), (28, 23062497), (42, 15374998), (84, 7687499)]