207918865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1061}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 311973120

約数和(自身を除く): 104054255

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 509, 1061, 2545, 3563, 5305, 5599, 7427, 11671, 17815, 27995, 37135, 39193, 58355, 81697, 195965, 408485, 540049, 2700245, 3780343, 5940539, 18901715, 29702695, 41583773, 207918865]

約数ペア:

[(1, 207918865), (5, 41583773), (7, 29702695), (11, 18901715), (35, 5940539), (55, 3780343), (77, 2700245), (385, 540049), (509, 408485), (1061, 195965), (2545, 81697), (3563, 58355), (5305, 39193), (5599, 37135), (7427, 27995), (11671, 17815)]