289344209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 378777600

約数和(自身を除く): 89433391

約数列:

[1, 7, 11, 23, 77, 161, 199, 253, 821, 1393, 1771, 2189, 4577, 5747, 9031, 15323, 18883, 32039, 50347, 63217, 132181, 163379, 207713, 352429, 1143653, 1453991, 1797169, 3757717, 12580183, 26304019, 41334887, 289344209]

約数ペア:

[(1, 289344209), (7, 41334887), (11, 26304019), (23, 12580183), (77, 3757717), (161, 1797169), (199, 1453991), (253, 1143653), (821, 352429), (1393, 207713), (1771, 163379), (2189, 132181), (4577, 63217), (5747, 50347), (9031, 32039), (15323, 18883)]