2557748991

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{2851}}^1$

素因数の和:3244

約数の個数: 48

約数和(自身を含む): 4213658880

約数和(自身を除く): 1655909889

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 359, 833, 1077, 2499, 2513, 2851, 6103, 7539, 8553, 17591, 18309, 19957, 42721, 48467, 52773, 59871, 128163, 139699, 145401, 299047, 339269, 419097, 897141, 1017807, 1023509, 2374883, 3070527, 7124649, 7164563, 17399653, 21493689, 50151941, 52198959, 121797571, 150455823, 365392713, 852582997, 2557748991]

約数ペア:

[(1, 2557748991), (3, 852582997), (7, 365392713), (17, 150455823), (21, 121797571), (49, 52198959), (51, 50151941), (119, 21493689), (147, 17399653), (357, 7164563), (359, 7124649), (833, 3070527), (1077, 2374883), (2499, 1023509), (2513, 1017807), (2851, 897141), (6103, 419097), (7539, 339269), (8553, 299047), (17591, 145401), (18309, 139699), (19957, 128163), (42721, 59871), (48467, 52773)]