127928612

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^2\times {\mathrm{353}}^1$

素因数の和:457

約数の個数: 54

約数和(自身を含む): 267378678

約数和(自身を除く): 139450066

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 353, 602, 706, 1204, 1412, 1849, 2107, 2471, 3698, 4214, 4942, 7396, 8428, 9884, 12943, 15179, 17297, 25886, 30358, 34594, 51772, 60716, 69188, 90601, 106253, 181202, 212506, 362404, 425012, 652697, 743771, 1305394, 1487542, 2610788, 2975084, 4568879, 9137758, 18275516, 31982153, 63964306, 127928612]

約数ペア:

[(1, 127928612), (2, 63964306), (4, 31982153), (7, 18275516), (14, 9137758), (28, 4568879), (43, 2975084), (49, 2610788), (86, 1487542), (98, 1305394), (172, 743771), (196, 652697), (301, 425012), (353, 362404), (602, 212506), (706, 181202), (1204, 106253), (1412, 90601), (1849, 69188), (2107, 60716), (2471, 51772), (3698, 34594), (4214, 30358), (4942, 25886), (7396, 17297), (8428, 15179), (9884, 12943)]