28721224

素因数分解:

$2^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1279}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 61747200

約数和(自身を除く): 33025976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 401, 802, 1279, 1604, 2558, 2807, 3208, 5116, 5614, 8953, 10232, 11228, 17906, 22456, 35812, 71624, 512879, 1025758, 2051516, 3590153, 4103032, 7180306, 14360612, 28721224]

約数ペア:

[(1, 28721224), (2, 14360612), (4, 7180306), (7, 4103032), (8, 3590153), (14, 2051516), (28, 1025758), (56, 512879), (401, 71624), (802, 35812), (1279, 22456), (1604, 17906), (2558, 11228), (2807, 10232), (3208, 8953), (5116, 5614)]