256521006

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{75403}}^1$

素因数の和:75427

約数の個数: 48

約数和(自身を含む): 658729344

約数和(自身を除く): 402208338

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 75403, 150806, 226209, 452418, 527821, 678627, 1055642, 1357254, 1583463, 2035881, 3166926, 4071762, 4750389, 6107643, 9500778, 12215286, 14251167, 18322929, 28502334, 36645858, 42753501, 85507002, 128260503, 256521006]

約数ペア:

[(1, 256521006), (2, 128260503), (3, 85507002), (6, 42753501), (7, 36645858), (9, 28502334), (14, 18322929), (18, 14251167), (21, 12215286), (27, 9500778), (42, 6107643), (54, 4750389), (63, 4071762), (81, 3166926), (126, 2035881), (162, 1583463), (189, 1357254), (243, 1055642), (378, 678627), (486, 527821), (567, 452418), (1134, 226209), (1701, 150806), (3402, 75403)]