209127863

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 52145737

約数列:

[1, 7, 17, 47, 119, 139, 269, 329, 799, 973, 1883, 2363, 4573, 5593, 6533, 12643, 16541, 32011, 37391, 45731, 88501, 111061, 214931, 261737, 635647, 777427, 1504517, 1757377, 4449529, 12301639, 29875409, 209127863]

約数ペア:

[(1, 209127863), (7, 29875409), (17, 12301639), (47, 4449529), (119, 1757377), (139, 1504517), (269, 777427), (329, 635647), (799, 261737), (973, 214931), (1883, 111061), (2363, 88501), (4573, 45731), (5593, 37391), (6533, 32011), (12643, 16541)]