28315148

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 50579760

約数和(自身を除く): 22264612

約数列:

[1, 2, 4, 101, 109, 202, 218, 404, 436, 643, 1286, 2572, 11009, 22018, 44036, 64943, 70087, 129886, 140174, 259772, 280348, 7078787, 14157574, 28315148]

約数ペア:

[(1, 28315148), (2, 14157574), (4, 7078787), (101, 280348), (109, 259772), (202, 140174), (218, 129886), (404, 70087), (436, 64943), (643, 44036), (1286, 22018), (2572, 11009)]