15120872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{419}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 30693600

約数和(自身を除く): 15572728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 347, 419, 694, 838, 1388, 1676, 2776, 3352, 4511, 5447, 9022, 10894, 18044, 21788, 36088, 43576, 145393, 290786, 581572, 1163144, 1890109, 3780218, 7560436, 15120872]

約数ペア:

[(1, 15120872), (2, 7560436), (4, 3780218), (8, 1890109), (13, 1163144), (26, 581572), (52, 290786), (104, 145393), (347, 43576), (419, 36088), (694, 21788), (838, 18044), (1388, 10894), (1676, 9022), (2776, 5447), (3352, 4511)]