1285281672

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{208379}}^1$

素因数の和:208645

約数の個数: 32

約数和(自身を含む): 3225722400

約数和(自身を除く): 1940440728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 6168, 208379, 416758, 625137, 833516, 1250274, 1667032, 2500548, 5001096, 53553403, 107106806, 160660209, 214213612, 321320418, 428427224, 642640836, 1285281672]

約数ペア:

[(1, 1285281672), (2, 642640836), (3, 428427224), (4, 321320418), (6, 214213612), (8, 160660209), (12, 107106806), (24, 53553403), (257, 5001096), (514, 2500548), (771, 1667032), (1028, 1250274), (1542, 833516), (2056, 625137), (3084, 416758), (6168, 208379)]