207912985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{258277}}^1$

素因数の和:258312

約数の個数: 16

約数和(自身を含む): 297536256

約数和(自身を除く): 89623271

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 258277, 1291385, 1807939, 5940371, 9039695, 29701855, 41582597, 207912985]

約数ペア:

[(1, 207912985), (5, 41582597), (7, 29701855), (23, 9039695), (35, 5940371), (115, 1807939), (161, 1291385), (805, 258277)]