256851756

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{339751}}^1$

素因数の和:339771

約数の個数: 48

約数和(自身を含む): 761044480

約数和(自身を除く): 504192724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 339751, 679502, 1019253, 1359004, 2038506, 2378257, 3057759, 4077012, 4756514, 6115518, 7134771, 9173277, 9513028, 12231036, 14269542, 18346554, 21404313, 28539084, 36693108, 42808626, 64212939, 85617252, 128425878, 256851756]

約数ペア:

[(1, 256851756), (2, 128425878), (3, 85617252), (4, 64212939), (6, 42808626), (7, 36693108), (9, 28539084), (12, 21404313), (14, 18346554), (18, 14269542), (21, 12231036), (27, 9513028), (28, 9173277), (36, 7134771), (42, 6115518), (54, 4756514), (63, 4077012), (84, 3057759), (108, 2378257), (126, 2038506), (189, 1359004), (252, 1019253), (378, 679502), (756, 339751)]