13781392

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{10903}}^1$

素因数の和:10990

約数の個数: 20

約数和(自身を含む): 27041920

約数和(自身を除く): 13260528

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 10903, 21806, 43612, 87224, 174448, 861337, 1722674, 3445348, 6890696, 13781392]

約数ペア:

[(1, 13781392), (2, 6890696), (4, 3445348), (8, 1722674), (16, 861337), (79, 174448), (158, 87224), (316, 43612), (632, 21806), (1264, 10903)]