2154951743

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{16741}}^1$

素因数の和:16863

約数の個数: 24

約数和(自身を含む): 2610948384

約数和(自身を除く): 455996641

約数列:

[1, 7, 37, 49, 71, 259, 497, 1813, 2627, 3479, 16741, 18389, 117187, 128723, 619417, 820309, 1188611, 4335919, 8320277, 30351433, 43978607, 58241939, 307850249, 2154951743]

約数ペア:

[(1, 2154951743), (7, 307850249), (37, 58241939), (49, 43978607), (71, 30351433), (259, 8320277), (497, 4335919), (1813, 1188611), (2627, 820309), (3479, 619417), (16741, 128723), (18389, 117187)]