25312958

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 43059168

約数和(自身を除く): 17746210

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 257, 407, 514, 814, 1331, 2662, 2827, 4477, 5654, 8954, 9509, 19018, 31097, 49247, 62194, 98494, 104599, 209198, 342067, 684134, 1150589, 2301178, 12656479, 25312958]

約数ペア:

[(1, 25312958), (2, 12656479), (11, 2301178), (22, 1150589), (37, 684134), (74, 342067), (121, 209198), (242, 104599), (257, 98494), (407, 62194), (514, 49247), (814, 31097), (1331, 19018), (2662, 9509), (2827, 8954), (4477, 5654)]