289355944

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{6421}}^1$

素因数の和:6601

約数の個数: 32

約数和(自身を含む): 559484640

約数和(自身を除く): 270128696

約数列:

[1, 2, 4, 8, 43, 86, 131, 172, 262, 344, 524, 1048, 5633, 6421, 11266, 12842, 22532, 25684, 45064, 51368, 276103, 552206, 841151, 1104412, 1682302, 2208824, 3364604, 6729208, 36169493, 72338986, 144677972, 289355944]

約数ペア:

[(1, 289355944), (2, 144677972), (4, 72338986), (8, 36169493), (43, 6729208), (86, 3364604), (131, 2208824), (172, 1682302), (262, 1104412), (344, 841151), (524, 552206), (1048, 276103), (5633, 51368), (6421, 45064), (11266, 25684), (12842, 22532)]