1321888

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:520

約数の個数: 24

約数和(自身を含む): 2634660

約数和(自身を除く): 1312772

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 409, 808, 818, 1616, 1636, 3232, 3272, 6544, 13088, 41309, 82618, 165236, 330472, 660944, 1321888]

約数ペア:

[(1, 1321888), (2, 660944), (4, 330472), (8, 165236), (16, 82618), (32, 41309), (101, 13088), (202, 6544), (404, 3272), (409, 3232), (808, 1636), (818, 1616)]