397389916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{34871}}^1$

素因数の和:34930

約数の個数: 48

約数和(自身を含む): 890491392

約数和(自身を除く): 493101476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 2849, 5698, 11396, 34871, 69742, 139484, 244097, 383581, 488194, 767162, 976388, 1290227, 1534324, 2580454, 2685067, 5160908, 5370134, 9031589, 10740268, 14192497, 18063178, 28384994, 36126356, 56769988, 99347479, 198694958, 397389916]

約数ペア:

[(1, 397389916), (2, 198694958), (4, 99347479), (7, 56769988), (11, 36126356), (14, 28384994), (22, 18063178), (28, 14192497), (37, 10740268), (44, 9031589), (74, 5370134), (77, 5160908), (148, 2685067), (154, 2580454), (259, 1534324), (308, 1290227), (407, 976388), (518, 767162), (814, 488194), (1036, 383581), (1628, 244097), (2849, 139484), (5698, 69742), (11396, 34871)]