1274971264

素因数分解:

$2^7\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2213}}^1$

素因数の和:2877

約数の個数: 64

約数和(自身を含む): 2908664640

約数和(自身を除く): 1633693376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 643, 896, 1286, 2213, 2572, 4426, 4501, 5144, 8852, 9002, 10288, 15491, 17704, 18004, 20576, 30982, 35408, 36008, 41152, 61964, 70816, 72016, 82304, 123928, 141632, 144032, 247856, 283264, 288064, 495712, 576128, 991424, 1422959, 1982848, 2845918, 5691836, 9960713, 11383672, 19921426, 22767344, 39842852, 45534688, 79685704, 91069376, 159371408, 182138752, 318742816, 637485632, 1274971264]

約数ペア:

[(1, 1274971264), (2, 637485632), (4, 318742816), (7, 182138752), (8, 159371408), (14, 91069376), (16, 79685704), (28, 45534688), (32, 39842852), (56, 22767344), (64, 19921426), (112, 11383672), (128, 9960713), (224, 5691836), (448, 2845918), (643, 1982848), (896, 1422959), (1286, 991424), (2213, 576128), (2572, 495712), (4426, 288064), (4501, 283264), (5144, 247856), (8852, 144032), (9002, 141632), (10288, 123928), (15491, 82304), (17704, 72016), (18004, 70816), (20576, 61964), (30982, 41152), (35408, 36008)]