1639478897

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{7307}}^1$

素因数の和:7581

約数の個数: 24

約数和(自身を含む): 2016131040

約数和(自身を除く): 376652143

約数列:

[1, 7, 19, 49, 133, 241, 931, 1687, 4579, 7307, 11809, 32053, 51149, 138833, 224371, 358043, 971831, 1760987, 6802817, 12326909, 33458753, 86288363, 234211271, 1639478897]

約数ペア:

[(1, 1639478897), (7, 234211271), (19, 86288363), (49, 33458753), (133, 12326909), (241, 6802817), (931, 1760987), (1687, 971831), (4579, 358043), (7307, 224371), (11809, 138833), (32053, 51149)]