261283004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 487710720

約数和(自身を除く): 226427716

約数列:

[1, 2, 4, 31, 53, 62, 83, 106, 124, 166, 212, 332, 479, 958, 1643, 1916, 2573, 3286, 4399, 5146, 6572, 8798, 10292, 14849, 17596, 25387, 29698, 39757, 50774, 59396, 79514, 101548, 136369, 159028, 272738, 545476, 786997, 1232467, 1573994, 2107121, 2464934, 3147988, 4214242, 4929868, 8428484, 65320751, 130641502, 261283004]

約数ペア:

[(1, 261283004), (2, 130641502), (4, 65320751), (31, 8428484), (53, 4929868), (62, 4214242), (83, 3147988), (106, 2464934), (124, 2107121), (166, 1573994), (212, 1232467), (332, 786997), (479, 545476), (958, 272738), (1643, 159028), (1916, 136369), (2573, 101548), (3286, 79514), (4399, 59396), (5146, 50774), (6572, 39757), (8798, 29698), (10292, 25387), (14849, 17596)]