81534544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1988

約数の個数: 80

約数和(自身を含む): 201237120

約数和(自身を除く): 119702576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 232, 364, 377, 406, 464, 728, 754, 812, 1456, 1508, 1624, 1931, 2639, 3016, 3248, 3862, 5278, 6032, 7724, 10556, 13517, 15448, 21112, 25103, 27034, 30896, 42224, 50206, 54068, 55999, 100412, 108136, 111998, 175721, 200824, 216272, 223996, 351442, 391993, 401648, 447992, 702884, 727987, 783986, 895984, 1405768, 1455974, 1567972, 2811536, 2911948, 3135944, 5095909, 5823896, 6271888, 10191818, 11647792, 20383636, 40767272, 81534544]

約数ペア:

[(1, 81534544), (2, 40767272), (4, 20383636), (7, 11647792), (8, 10191818), (13, 6271888), (14, 5823896), (16, 5095909), (26, 3135944), (28, 2911948), (29, 2811536), (52, 1567972), (56, 1455974), (58, 1405768), (91, 895984), (104, 783986), (112, 727987), (116, 702884), (182, 447992), (203, 401648), (208, 391993), (232, 351442), (364, 223996), (377, 216272), (406, 200824), (464, 175721), (728, 111998), (754, 108136), (812, 100412), (1456, 55999), (1508, 54068), (1624, 50206), (1931, 42224), (2639, 30896), (3016, 27034), (3248, 25103), (3862, 21112), (5278, 15448), (6032, 13517), (7724, 10556)]