209142647

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1\times {\mathrm{1609}}^1$

素因数の和:2246

約数の個数: 16

約数和(自身を含む): 247296000

約数和(自身を除く): 38153353

約数列:

[1, 7, 31, 217, 599, 1609, 4193, 11263, 18569, 49879, 129983, 349153, 963791, 6746537, 29877521, 209142647]

約数ペア:

[(1, 209142647), (7, 29877521), (31, 6746537), (217, 963791), (599, 349153), (1609, 129983), (4193, 49879), (11263, 18569)]