1261886978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 2127148800

約数和(自身を除く): 865261822

約数列:

[1, 2, 11, 22, 67, 121, 134, 223, 242, 349, 446, 698, 737, 1474, 2453, 3839, 4906, 7678, 8107, 14941, 16214, 23383, 26983, 29882, 42229, 46766, 53966, 77827, 84458, 155654, 164351, 257213, 328702, 514426, 856097, 1712194, 1807861, 2829343, 3615722, 5214409, 5658686, 9417067, 10428818, 18834134, 57358499, 114716998, 630943489, 1261886978]

約数ペア:

[(1, 1261886978), (2, 630943489), (11, 114716998), (22, 57358499), (67, 18834134), (121, 10428818), (134, 9417067), (223, 5658686), (242, 5214409), (349, 3615722), (446, 2829343), (698, 1807861), (737, 1712194), (1474, 856097), (2453, 514426), (3839, 328702), (4906, 257213), (7678, 164351), (8107, 155654), (14941, 84458), (16214, 77827), (23383, 53966), (26983, 46766), (29882, 42229)]