2157516361

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{4481}}^1$

素因数の和:4562

約数の個数: 48

約数和(自身を含む): 2992111488

約数和(自身を除く): 834595127

約数列:

[1, 7, 11, 13, 37, 77, 91, 143, 169, 259, 407, 481, 1001, 1183, 1859, 2849, 3367, 4481, 5291, 6253, 13013, 31367, 37037, 43771, 49291, 58253, 68783, 165797, 345037, 407771, 481481, 640783, 757289, 1160579, 1823767, 2155361, 4485481, 5301023, 8330179, 12766369, 15087527, 23708971, 28019693, 58311253, 165962797, 196137851, 308216623, 2157516361]

約数ペア:

[(1, 2157516361), (7, 308216623), (11, 196137851), (13, 165962797), (37, 58311253), (77, 28019693), (91, 23708971), (143, 15087527), (169, 12766369), (259, 8330179), (407, 5301023), (481, 4485481), (1001, 2155361), (1183, 1823767), (1859, 1160579), (2849, 757289), (3367, 640783), (4481, 481481), (5291, 407771), (6253, 345037), (13013, 165797), (31367, 68783), (37037, 58253), (43771, 49291)]