256515588

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{145417}}^1$

素因数の和:145441

約数の個数: 54

約数和(自身を含む): 754283166

約数和(自身を除く): 497767578

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 145417, 290834, 436251, 581668, 872502, 1017919, 1308753, 1745004, 2035838, 2617506, 3053757, 4071676, 5235012, 6107514, 7125433, 9161271, 12215028, 14250866, 18322542, 21376299, 28501732, 36645084, 42752598, 64128897, 85505196, 128257794, 256515588]

約数ペア:

[(1, 256515588), (2, 128257794), (3, 85505196), (4, 64128897), (6, 42752598), (7, 36645084), (9, 28501732), (12, 21376299), (14, 18322542), (18, 14250866), (21, 12215028), (28, 9161271), (36, 7125433), (42, 6107514), (49, 5235012), (63, 4071676), (84, 3053757), (98, 2617506), (126, 2035838), (147, 1745004), (196, 1308753), (252, 1017919), (294, 872502), (441, 581668), (588, 436251), (882, 290834), (1764, 145417)]