209250728

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{6271}}^1$

素因数の和:6417

約数の個数: 32

約数和(自身を含む): 405672960

約数和(自身を除く): 196422232

約数列:

[1, 2, 4, 8, 43, 86, 97, 172, 194, 344, 388, 776, 4171, 6271, 8342, 12542, 16684, 25084, 33368, 50168, 269653, 539306, 608287, 1078612, 1216574, 2157224, 2433148, 4866296, 26156341, 52312682, 104625364, 209250728]

約数ペア:

[(1, 209250728), (2, 104625364), (4, 52312682), (8, 26156341), (43, 4866296), (86, 2433148), (97, 2157224), (172, 1216574), (194, 1078612), (344, 608287), (388, 539306), (776, 269653), (4171, 50168), (6271, 33368), (8342, 25084), (12542, 16684)]