256284

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{113}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 772464

約数和(自身を除く): 516180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 113, 126, 162, 189, 226, 252, 324, 339, 378, 452, 567, 678, 756, 791, 1017, 1134, 1356, 1582, 2034, 2268, 2373, 3051, 3164, 4068, 4746, 6102, 7119, 9153, 9492, 12204, 14238, 18306, 21357, 28476, 36612, 42714, 64071, 85428, 128142, 256284]

約数ペア:

[(1, 256284), (2, 128142), (3, 85428), (4, 64071), (6, 42714), (7, 36612), (9, 28476), (12, 21357), (14, 18306), (18, 14238), (21, 12204), (27, 9492), (28, 9153), (36, 7119), (42, 6102), (54, 4746), (63, 4068), (81, 3164), (84, 3051), (108, 2373), (113, 2268), (126, 2034), (162, 1582), (189, 1356), (226, 1134), (252, 1017), (324, 791), (339, 756), (378, 678), (452, 567)]