25712206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 47738880

約数和(自身を除く): 22026674

約数列:

[1, 2, 13, 19, 23, 26, 31, 38, 46, 62, 73, 146, 247, 299, 403, 437, 494, 589, 598, 713, 806, 874, 949, 1178, 1387, 1426, 1679, 1898, 2263, 2774, 3358, 4526, 5681, 7657, 9269, 11362, 13547, 15314, 18031, 18538, 21827, 27094, 29419, 31901, 36062, 42997, 43654, 52049, 58838, 63802, 85994, 104098, 176111, 352222, 414713, 558961, 676637, 829426, 988931, 1117922, 1353274, 1977862, 12856103, 25712206]

約数ペア:

[(1, 25712206), (2, 12856103), (13, 1977862), (19, 1353274), (23, 1117922), (26, 988931), (31, 829426), (38, 676637), (46, 558961), (62, 414713), (73, 352222), (146, 176111), (247, 104098), (299, 85994), (403, 63802), (437, 58838), (494, 52049), (589, 43654), (598, 42997), (713, 36062), (806, 31901), (874, 29419), (949, 27094), (1178, 21827), (1387, 18538), (1426, 18031), (1679, 15314), (1898, 13547), (2263, 11362), (2774, 9269), (3358, 7657), (4526, 5681)]