28172876

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{24371}}^1$

素因数の和:24409

約数の個数: 18

約数和(自身を含む): 52375428

約数和(自身を除く): 24202552

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 24371, 48742, 97484, 414307, 828614, 1657228, 7043219, 14086438, 28172876]

約数ペア:

[(1, 28172876), (2, 14086438), (4, 7043219), (17, 1657228), (34, 828614), (68, 414307), (289, 97484), (578, 48742), (1156, 24371)]