28785416

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 60041520

約数和(自身を除く): 31256104

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 131, 227, 242, 262, 454, 484, 524, 908, 968, 1048, 1441, 1816, 2497, 2882, 4994, 5764, 9988, 11528, 15851, 19976, 27467, 29737, 31702, 54934, 59474, 63404, 109868, 118948, 126808, 219736, 237896, 327107, 654214, 1308428, 2616856, 3598177, 7196354, 14392708, 28785416]

約数ペア:

[(1, 28785416), (2, 14392708), (4, 7196354), (8, 3598177), (11, 2616856), (22, 1308428), (44, 654214), (88, 327107), (121, 237896), (131, 219736), (227, 126808), (242, 118948), (262, 109868), (454, 63404), (484, 59474), (524, 54934), (908, 31702), (968, 29737), (1048, 27467), (1441, 19976), (1816, 15851), (2497, 11528), (2882, 9988), (4994, 5764)]