208180587

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 301438720

約数和(自身を除く): 93258133

約数列:

[1, 3, 19, 43, 57, 129, 157, 471, 541, 817, 1623, 2451, 2983, 6751, 8949, 10279, 20253, 23263, 30837, 69789, 84937, 128269, 254811, 384807, 441997, 1325991, 1613803, 3652291, 4841409, 10956873, 69393529, 208180587]

約数ペア:

[(1, 208180587), (3, 69393529), (19, 10956873), (43, 4841409), (57, 3652291), (129, 1613803), (157, 1325991), (471, 441997), (541, 384807), (817, 254811), (1623, 128269), (2451, 84937), (2983, 69789), (6751, 30837), (8949, 23263), (10279, 20253)]