127721524

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{2467}}^1$

素因数の和:2564

約数の個数: 36

約数和(自身を含む): 261627744

約数和(自身を除く): 133906220

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1849, 2467, 3698, 4934, 7396, 9868, 12943, 17269, 25886, 34538, 51772, 69076, 106081, 212162, 424324, 742567, 1485134, 2970268, 4561483, 9122966, 18245932, 31930381, 63860762, 127721524]

約数ペア:

[(1, 127721524), (2, 63860762), (4, 31930381), (7, 18245932), (14, 9122966), (28, 4561483), (43, 2970268), (86, 1485134), (172, 742567), (301, 424324), (602, 212162), (1204, 106081), (1849, 69076), (2467, 51772), (3698, 34538), (4934, 25886), (7396, 17269), (9868, 12943)]