204865255

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{254491}}^1$

素因数の和:254526

約数の個数: 16

約数和(自身を含む): 293174784

約数和(自身を除く): 88309529

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 254491, 1272455, 1781437, 5853293, 8907185, 29266465, 40973051, 204865255]

約数ペア:

[(1, 204865255), (5, 40973051), (7, 29266465), (23, 8907185), (35, 5853293), (115, 1781437), (161, 1272455), (805, 254491)]