68555552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{739}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 146200320

約数和(自身を除く): 77644768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 223, 416, 446, 739, 892, 1478, 1784, 2899, 2956, 3568, 5798, 5912, 7136, 9607, 11596, 11824, 19214, 23192, 23648, 38428, 46384, 76856, 92768, 153712, 164797, 307424, 329594, 659188, 1318376, 2142361, 2636752, 4284722, 5273504, 8569444, 17138888, 34277776, 68555552]

約数ペア:

[(1, 68555552), (2, 34277776), (4, 17138888), (8, 8569444), (13, 5273504), (16, 4284722), (26, 2636752), (32, 2142361), (52, 1318376), (104, 659188), (208, 329594), (223, 307424), (416, 164797), (446, 153712), (739, 92768), (892, 76856), (1478, 46384), (1784, 38428), (2899, 23648), (2956, 23192), (3568, 19214), (5798, 11824), (5912, 11596), (7136, 9607)]