28866978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1468

約数の個数: 72

約数和(自身を含む): 75973248

約数和(自身を除く): 47106270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 966, 1127, 1423, 1449, 2254, 2846, 2898, 3381, 4269, 6762, 8538, 9961, 10143, 12807, 19922, 20286, 25614, 29883, 32729, 59766, 65458, 69727, 89649, 98187, 139454, 179298, 196374, 209181, 229103, 294561, 418362, 458206, 589122, 627543, 687309, 1255086, 1374618, 1603721, 2061927, 3207442, 4123854, 4811163, 9622326, 14433489, 28866978]

約数ペア:

[(1, 28866978), (2, 14433489), (3, 9622326), (6, 4811163), (7, 4123854), (9, 3207442), (14, 2061927), (18, 1603721), (21, 1374618), (23, 1255086), (42, 687309), (46, 627543), (49, 589122), (63, 458206), (69, 418362), (98, 294561), (126, 229103), (138, 209181), (147, 196374), (161, 179298), (207, 139454), (294, 98187), (322, 89649), (414, 69727), (441, 65458), (483, 59766), (882, 32729), (966, 29883), (1127, 25614), (1423, 20286), (1449, 19922), (2254, 12807), (2846, 10143), (2898, 9961), (3381, 8538), (4269, 6762)]