81274336

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17761}}^1$

素因数の和:17795

約数の個数: 48

約数和(自身を含む): 187993008

約数和(自身を除く): 106718672

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 17761, 35522, 71044, 142088, 195371, 230893, 284176, 390742, 461786, 568352, 781484, 923572, 1562968, 1847144, 2539823, 3125936, 3694288, 5079646, 6251872, 7388576, 10159292, 20318584, 40637168, 81274336]

約数ペア:

[(1, 81274336), (2, 40637168), (4, 20318584), (8, 10159292), (11, 7388576), (13, 6251872), (16, 5079646), (22, 3694288), (26, 3125936), (32, 2539823), (44, 1847144), (52, 1562968), (88, 923572), (104, 781484), (143, 568352), (176, 461786), (208, 390742), (286, 284176), (352, 230893), (416, 195371), (572, 142088), (1144, 71044), (2288, 35522), (4576, 17761)]