211553851990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{10921727}}^1$

素因数の和:10921896

約数の個数: 32

約数和(自身を含む): 412841318400

約数和(自身を除く): 201287466410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 19370, 10921727, 21843454, 54608635, 109217270, 141982451, 283964902, 709912255, 1419824510, 1627337323, 3254674646, 8136686615, 16273373230, 21155385199, 42310770398, 105776925995, 211553851990]

約数ペア:

[(1, 211553851990), (2, 105776925995), (5, 42310770398), (10, 21155385199), (13, 16273373230), (26, 8136686615), (65, 3254674646), (130, 1627337323), (149, 1419824510), (298, 709912255), (745, 283964902), (1490, 141982451), (1937, 109217270), (3874, 54608635), (9685, 21843454), (19370, 10921727)]