204805775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{601}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 261118704

約数和(自身を除く): 56312929

約数列:

[1, 5, 25, 43, 215, 317, 601, 1075, 1585, 3005, 7925, 13631, 15025, 25843, 68155, 129215, 190517, 340775, 646075, 952585, 4762925, 8192231, 40961155, 204805775]

約数ペア:

[(1, 204805775), (5, 40961155), (25, 8192231), (43, 4762925), (215, 952585), (317, 646075), (601, 340775), (1075, 190517), (1585, 129215), (3005, 68155), (7925, 25843), (13631, 15025)]