207681985

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{42689}}^1$

素因数の和:42840

約数の個数: 16

約数和(自身を含む): 286876800

約数和(自身を除く): 79194815

約数列:

[1, 5, 7, 35, 139, 695, 973, 4865, 42689, 213445, 298823, 1494115, 5933771, 29668855, 41536397, 207681985]

約数ペア:

[(1, 207681985), (5, 41536397), (7, 29668855), (35, 5933771), (139, 1494115), (695, 298823), (973, 213445), (4865, 42689)]