278581732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13163}}^1$

素因数の和:13228

約数の個数: 48

約数和(自身を含む): 588272832

約数和(自身を除く): 309691100

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 962, 1628, 1924, 5291, 10582, 13163, 21164, 26326, 52652, 144793, 171119, 289586, 342238, 487031, 579172, 684476, 974062, 1882309, 1948124, 3764618, 5357341, 6331403, 7529236, 10714682, 12662806, 21429364, 25325612, 69645433, 139290866, 278581732]

約数ペア:

[(1, 278581732), (2, 139290866), (4, 69645433), (11, 25325612), (13, 21429364), (22, 12662806), (26, 10714682), (37, 7529236), (44, 6331403), (52, 5357341), (74, 3764618), (143, 1948124), (148, 1882309), (286, 974062), (407, 684476), (481, 579172), (572, 487031), (814, 342238), (962, 289586), (1628, 171119), (1924, 144793), (5291, 52652), (10582, 26326), (13163, 21164)]