284839247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 369792000

約数和(自身を除く): 84952753

約数列:

[1, 7, 11, 29, 77, 199, 203, 319, 641, 1393, 2189, 2233, 4487, 5771, 7051, 15323, 18589, 40397, 49357, 63481, 127559, 130123, 204479, 444367, 892913, 1403149, 1431353, 3699211, 9822043, 25894477, 40691321, 284839247]

約数ペア:

[(1, 284839247), (7, 40691321), (11, 25894477), (29, 9822043), (77, 3699211), (199, 1431353), (203, 1403149), (319, 892913), (641, 444367), (1393, 204479), (2189, 130123), (2233, 127559), (4487, 63481), (5771, 49357), (7051, 40397), (15323, 18589)]