2531389315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 3934617120

約数和(自身を除く): 1403227805

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 169, 299, 455, 529, 805, 809, 845, 1183, 1495, 2093, 2645, 3703, 3887, 4045, 5663, 5915, 6877, 10465, 10517, 18515, 18607, 19435, 27209, 28315, 34385, 48139, 52585, 73619, 89401, 93035, 130249, 136045, 136721, 240695, 241891, 368095, 427961, 447005, 625807, 651245, 683605, 957047, 1209455, 1693237, 2139805, 2995727, 3129035, 3144583, 4785235, 5563493, 8466185, 14978635, 15722915, 22012081, 27817465, 38944451, 72325409, 110060405, 194722255, 361627045, 506277863, 2531389315]

約数ペア:

[(1, 2531389315), (5, 506277863), (7, 361627045), (13, 194722255), (23, 110060405), (35, 72325409), (65, 38944451), (91, 27817465), (115, 22012081), (161, 15722915), (169, 14978635), (299, 8466185), (455, 5563493), (529, 4785235), (805, 3144583), (809, 3129035), (845, 2995727), (1183, 2139805), (1495, 1693237), (2093, 1209455), (2645, 957047), (3703, 683605), (3887, 651245), (4045, 625807), (5663, 447005), (5915, 427961), (6877, 368095), (10465, 241891), (10517, 240695), (18515, 136721), (18607, 136045), (19435, 130249), (27209, 93035), (28315, 89401), (34385, 73619), (48139, 52585)]