1277762768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1187}}^1\times {\mathrm{3541}}^1$

素因数の和:4755

約数の個数: 40

約数和(自身を含む): 2608895520

約数和(自身を除く): 1331132752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1187, 2374, 3541, 4748, 7082, 9496, 14164, 18992, 22553, 28328, 45106, 56656, 67279, 90212, 134558, 180424, 269116, 360848, 538232, 1076464, 4203167, 8406334, 16812668, 33625336, 67250672, 79860173, 159720346, 319440692, 638881384, 1277762768]

約数ペア:

[(1, 1277762768), (2, 638881384), (4, 319440692), (8, 159720346), (16, 79860173), (19, 67250672), (38, 33625336), (76, 16812668), (152, 8406334), (304, 4203167), (1187, 1076464), (2374, 538232), (3541, 360848), (4748, 269116), (7082, 180424), (9496, 134558), (14164, 90212), (18992, 67279), (22553, 56656), (28328, 45106)]