1566978049

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{2447}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 2000388096

約数和(自身を除く): 433410047

約数列:

[1, 7, 13, 31, 91, 217, 227, 403, 1589, 2447, 2821, 2951, 7037, 17129, 20657, 31811, 49259, 75857, 91481, 222677, 530999, 555469, 640367, 986141, 3888283, 6902987, 7221097, 17219539, 50547679, 120536773, 223854007, 1566978049]

約数ペア:

[(1, 1566978049), (7, 223854007), (13, 120536773), (31, 50547679), (91, 17219539), (217, 7221097), (227, 6902987), (403, 3888283), (1589, 986141), (2447, 640367), (2821, 555469), (2951, 530999), (7037, 222677), (17129, 91481), (20657, 75857), (31811, 49259)]