85819972

素因数分解:

$2^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 91991228

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 343, 497, 686, 881, 994, 1372, 1762, 1988, 3479, 3524, 6167, 6958, 12334, 13916, 24353, 24668, 43169, 48706, 62551, 86338, 97412, 125102, 172676, 250204, 302183, 437857, 604366, 875714, 1208732, 1751428, 3064999, 6129998, 12259996, 21454993, 42909986, 85819972]

約数ペア:

[(1, 85819972), (2, 42909986), (4, 21454993), (7, 12259996), (14, 6129998), (28, 3064999), (49, 1751428), (71, 1208732), (98, 875714), (142, 604366), (196, 437857), (284, 302183), (343, 250204), (497, 172676), (686, 125102), (881, 97412), (994, 86338), (1372, 62551), (1762, 48706), (1988, 43169), (3479, 24668), (3524, 24353), (6167, 13916), (6958, 12334)]