1851158985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4397}}^1$

素因数の和:4562

約数の個数: 64

約数和(自身を含む): 3404685312

約数和(自身を除く): 1553526327

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 127, 195, 221, 255, 381, 635, 663, 1105, 1651, 1905, 2159, 3315, 4397, 4953, 6477, 8255, 10795, 13191, 21985, 24765, 28067, 32385, 57161, 65955, 74749, 84201, 140335, 171483, 224247, 285805, 373745, 421005, 558419, 857415, 971737, 1121235, 1675257, 2792095, 2915211, 4858685, 7259447, 8376285, 9493123, 14576055, 21778341, 28479369, 36297235, 47465615, 108891705, 123410599, 142396845, 370231797, 617052995, 1851158985]

約数ペア:

[(1, 1851158985), (3, 617052995), (5, 370231797), (13, 142396845), (15, 123410599), (17, 108891705), (39, 47465615), (51, 36297235), (65, 28479369), (85, 21778341), (127, 14576055), (195, 9493123), (221, 8376285), (255, 7259447), (381, 4858685), (635, 2915211), (663, 2792095), (1105, 1675257), (1651, 1121235), (1905, 971737), (2159, 857415), (3315, 558419), (4397, 421005), (4953, 373745), (6477, 285805), (8255, 224247), (10795, 171483), (13191, 140335), (21985, 84201), (24765, 74749), (28067, 65955), (32385, 57161)]