131449108

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{2539}}^1$

素因数の和:2636

約数の個数: 36

約数和(自身を含む): 269260320

約数和(自身を除く): 137811212

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1849, 2539, 3698, 5078, 7396, 10156, 12943, 17773, 25886, 35546, 51772, 71092, 109177, 218354, 436708, 764239, 1528478, 3056956, 4694611, 9389222, 18778444, 32862277, 65724554, 131449108]

約数ペア:

[(1, 131449108), (2, 65724554), (4, 32862277), (7, 18778444), (14, 9389222), (28, 4694611), (43, 3056956), (86, 1528478), (172, 764239), (301, 436708), (602, 218354), (1204, 109177), (1849, 71092), (2539, 51772), (3698, 35546), (5078, 25886), (7396, 17773), (10156, 12943)]