428857888

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 860981184

約数和(自身を除く): 432123296

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 317, 536, 631, 634, 1072, 1262, 1268, 2144, 2524, 2536, 5048, 5072, 10096, 10144, 20192, 21239, 42277, 42478, 84554, 84956, 169108, 169912, 200027, 338216, 339824, 400054, 676432, 679648, 800108, 1352864, 1600216, 3200432, 6400864, 13401809, 26803618, 53607236, 107214472, 214428944, 428857888]

約数ペア:

[(1, 428857888), (2, 214428944), (4, 107214472), (8, 53607236), (16, 26803618), (32, 13401809), (67, 6400864), (134, 3200432), (268, 1600216), (317, 1352864), (536, 800108), (631, 679648), (634, 676432), (1072, 400054), (1262, 339824), (1268, 338216), (2144, 200027), (2524, 169912), (2536, 169108), (5048, 84956), (5072, 84554), (10096, 42478), (10144, 42277), (20192, 21239)]