220961521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 259854336

約数和(自身を除く): 38892815

約数列:

[1, 11, 31, 37, 83, 211, 341, 407, 913, 1147, 2321, 2573, 3071, 6541, 7807, 12617, 17513, 28303, 33781, 71951, 85877, 95201, 192643, 242017, 542903, 647981, 1047211, 2662187, 5971933, 7127791, 20087411, 220961521]

約数ペア:

[(1, 220961521), (11, 20087411), (31, 7127791), (37, 5971933), (83, 2662187), (211, 1047211), (341, 647981), (407, 542903), (913, 242017), (1147, 192643), (2321, 95201), (2573, 85877), (3071, 71951), (6541, 33781), (7807, 28303), (12617, 17513)]