289368688

素因数分解:

$2^4\times 7^1\times {\mathrm{691}}^1\times {\mathrm{3739}}^1$

素因数の和:4445

約数の個数: 40

約数和(自身を含む): 641843840

約数和(自身を除く): 352475152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 691, 1382, 2764, 3739, 4837, 5528, 7478, 9674, 11056, 14956, 19348, 26173, 29912, 38696, 52346, 59824, 77392, 104692, 209384, 418768, 2583649, 5167298, 10334596, 18085543, 20669192, 36171086, 41338384, 72342172, 144684344, 289368688]

約数ペア:

[(1, 289368688), (2, 144684344), (4, 72342172), (7, 41338384), (8, 36171086), (14, 20669192), (16, 18085543), (28, 10334596), (56, 5167298), (112, 2583649), (691, 418768), (1382, 209384), (2764, 104692), (3739, 77392), (4837, 59824), (5528, 52346), (7478, 38696), (9674, 29912), (11056, 26173), (14956, 19348)]