213744965

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1097}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 309899520

約数和(自身を除く): 96154555

約数列:

[1, 5, 7, 19, 35, 95, 133, 293, 665, 1097, 1465, 2051, 5485, 5567, 7679, 10255, 20843, 27835, 38395, 38969, 104215, 145901, 194845, 321421, 729505, 1607105, 2249947, 6106999, 11249735, 30534995, 42748993, 213744965]

約数ペア:

[(1, 213744965), (5, 42748993), (7, 30534995), (19, 11249735), (35, 6106999), (95, 2249947), (133, 1607105), (293, 729505), (665, 321421), (1097, 194845), (1465, 145901), (2051, 104215), (5485, 38969), (5567, 38395), (7679, 27835), (10255, 20843)]