12987856

素因数分解:

$2^4\times 7^1\times {\mathrm{115963}}^1$

素因数の和:115978

約数の個数: 20

約数和(自身を含む): 28759072

約数和(自身を除く): 15771216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 115963, 231926, 463852, 811741, 927704, 1623482, 1855408, 3246964, 6493928, 12987856]

約数ペア:

[(1, 12987856), (2, 6493928), (4, 3246964), (7, 1855408), (8, 1623482), (14, 927704), (16, 811741), (28, 463852), (56, 231926), (112, 115963)]