12440764

素因数分解:

$2^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 24956288

約数和(自身を除く): 12515524

約数列:

[1, 2, 4, 7, 14, 28, 643, 691, 1286, 1382, 2572, 2764, 4501, 4837, 9002, 9674, 18004, 19348, 444313, 888626, 1777252, 3110191, 6220382, 12440764]

約数ペア:

[(1, 12440764), (2, 6220382), (4, 3110191), (7, 1777252), (14, 888626), (28, 444313), (643, 19348), (691, 18004), (1286, 9674), (1382, 9002), (2572, 4837), (2764, 4501)]