157427788

素因数分解:

$2^2\times 7^2\times {\mathrm{401}}^1\times {\mathrm{2003}}^1$

素因数の和:2422

約数の個数: 36

約数和(自身を含む): 321437592

約数和(自身を除く): 164009804

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 401, 802, 1604, 2003, 2807, 4006, 5614, 8012, 11228, 14021, 19649, 28042, 39298, 56084, 78596, 98147, 196294, 392588, 803203, 1606406, 3212812, 5622421, 11244842, 22489684, 39356947, 78713894, 157427788]

約数ペア:

[(1, 157427788), (2, 78713894), (4, 39356947), (7, 22489684), (14, 11244842), (28, 5622421), (49, 3212812), (98, 1606406), (196, 803203), (401, 392588), (802, 196294), (1604, 98147), (2003, 78596), (2807, 56084), (4006, 39298), (5614, 28042), (8012, 19649), (11228, 14021)]