721415856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{2147071}}^1$

素因数の和:2147089

約数の個数: 40

約数和(自身を含む): 2129895424

約数和(自身を除く): 1408479568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 2147071, 4294142, 6441213, 8588284, 12882426, 15029497, 17176568, 25764852, 30058994, 34353136, 45088491, 51529704, 60117988, 90176982, 103059408, 120235976, 180353964, 240471952, 360707928, 721415856]

約数ペア:

[(1, 721415856), (2, 360707928), (3, 240471952), (4, 180353964), (6, 120235976), (7, 103059408), (8, 90176982), (12, 60117988), (14, 51529704), (16, 45088491), (21, 34353136), (24, 30058994), (28, 25764852), (42, 17176568), (48, 15029497), (56, 12882426), (84, 8588284), (112, 6441213), (168, 4294142), (336, 2147071)]