209013812

素因数分解:

$2^2\times 7^2\times {\mathrm{523}}^1\times {\mathrm{2039}}^1$

素因数の和:2580

約数の個数: 36

約数和(自身を含む): 426515040

約数和(自身を除く): 217501228

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 523, 1046, 2039, 2092, 3661, 4078, 7322, 8156, 14273, 14644, 25627, 28546, 51254, 57092, 99911, 102508, 199822, 399644, 1066397, 2132794, 4265588, 7464779, 14929558, 29859116, 52253453, 104506906, 209013812]

約数ペア:

[(1, 209013812), (2, 104506906), (4, 52253453), (7, 29859116), (14, 14929558), (28, 7464779), (49, 4265588), (98, 2132794), (196, 1066397), (523, 399644), (1046, 199822), (2039, 102508), (2092, 99911), (3661, 57092), (4078, 51254), (7322, 28546), (8156, 25627), (14273, 14644)]