289979426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{20563}}^1$

素因数の和:21217

約数の個数: 16

約数和(自身を含む): 475275168

約数和(自身を除く): 185295742

約数列:

[1, 2, 11, 22, 641, 1282, 7051, 14102, 20563, 41126, 226193, 452386, 13180883, 26361766, 144989713, 289979426]

約数ペア:

[(1, 289979426), (2, 144989713), (11, 26361766), (22, 13180883), (641, 452386), (1282, 226193), (7051, 41126), (14102, 20563)]