2721392

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2240

約数の個数: 20

約数和(自身を含む): 5341920

約数和(自身を除く): 2620528

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 2153, 4306, 8612, 17224, 34448, 170087, 340174, 680348, 1360696, 2721392]

約数ペア:

[(1, 2721392), (2, 1360696), (4, 680348), (8, 340174), (16, 170087), (79, 34448), (158, 17224), (316, 8612), (632, 4306), (1264, 2153)]