81435872

素因数分解:

$2^5\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1723}}^1$

素因数の和:1951

約数の個数: 48

約数和(自身を含む): 184205952

約数和(自身を除く): 102770080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 211, 224, 422, 844, 1477, 1688, 1723, 2954, 3376, 3446, 5908, 6752, 6892, 11816, 12061, 13784, 23632, 24122, 27568, 47264, 48244, 55136, 96488, 192976, 363553, 385952, 727106, 1454212, 2544871, 2908424, 5089742, 5816848, 10179484, 11633696, 20358968, 40717936, 81435872]

約数ペア:

[(1, 81435872), (2, 40717936), (4, 20358968), (7, 11633696), (8, 10179484), (14, 5816848), (16, 5089742), (28, 2908424), (32, 2544871), (56, 1454212), (112, 727106), (211, 385952), (224, 363553), (422, 192976), (844, 96488), (1477, 55136), (1688, 48244), (1723, 47264), (2954, 27568), (3376, 24122), (3446, 23632), (5908, 13784), (6752, 12061), (6892, 11816)]