15986984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 32447520

約数和(自身を除く): 16460536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 347, 443, 694, 886, 1388, 1772, 2776, 3544, 4511, 5759, 9022, 11518, 18044, 23036, 36088, 46072, 153721, 307442, 614884, 1229768, 1998373, 3996746, 7993492, 15986984]

約数ペア:

[(1, 15986984), (2, 7993492), (4, 3996746), (8, 1998373), (13, 1229768), (26, 614884), (52, 307442), (104, 153721), (347, 46072), (443, 36088), (694, 23036), (886, 18044), (1388, 11518), (1772, 9022), (2776, 5759), (3544, 4511)]