665538042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1879}}^1$

素因数の和:2155

約数の個数: 64

約数和(自身を含む): 1516032000

約数和(自身を除く): 850493958

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 239, 247, 478, 494, 717, 741, 1434, 1482, 1879, 3107, 3758, 4541, 5637, 6214, 9082, 9321, 11274, 13623, 18642, 24427, 27246, 35701, 48854, 59033, 71402, 73281, 107103, 118066, 146562, 177099, 214206, 354198, 449081, 464113, 898162, 928226, 1347243, 1392339, 2694486, 2784678, 5838053, 8532539, 11676106, 17065078, 17514159, 25597617, 35028318, 51195234, 110923007, 221846014, 332769021, 665538042]

約数ペア:

[(1, 665538042), (2, 332769021), (3, 221846014), (6, 110923007), (13, 51195234), (19, 35028318), (26, 25597617), (38, 17514159), (39, 17065078), (57, 11676106), (78, 8532539), (114, 5838053), (239, 2784678), (247, 2694486), (478, 1392339), (494, 1347243), (717, 928226), (741, 898162), (1434, 464113), (1482, 449081), (1879, 354198), (3107, 214206), (3758, 177099), (4541, 146562), (5637, 118066), (6214, 107103), (9082, 73281), (9321, 71402), (11274, 59033), (13623, 48854), (18642, 35701), (24427, 27246)]