205703905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 278327808

約数和(自身を除く): 72623903

約数列:

[1, 5, 11, 37, 55, 185, 271, 373, 407, 1355, 1865, 2035, 2981, 4103, 10027, 13801, 14905, 20515, 50135, 69005, 101083, 110297, 151811, 505415, 551485, 759055, 1111913, 3740071, 5559565, 18700355, 41140781, 205703905]

約数ペア:

[(1, 205703905), (5, 41140781), (11, 18700355), (37, 5559565), (55, 3740071), (185, 1111913), (271, 759055), (373, 551485), (407, 505415), (1355, 151811), (1865, 110297), (2035, 101083), (2981, 69005), (4103, 50135), (10027, 20515), (13801, 14905)]