1821997256

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 3618172800

約数和(自身を除く): 1796175544

約数列:

[1, 2, 4, 8, 23, 46, 92, 131, 184, 262, 269, 281, 524, 538, 562, 1048, 1076, 1124, 2152, 2248, 3013, 6026, 6187, 6463, 12052, 12374, 12926, 24104, 24748, 25852, 35239, 36811, 49496, 51704, 70478, 73622, 75589, 140956, 147244, 151178, 281912, 294488, 302356, 604712, 810497, 846653, 1620994, 1693306, 1738547, 3241988, 3386612, 3477094, 6483976, 6773224, 6954188, 9902159, 13908376, 19804318, 39608636, 79217272, 227749657, 455499314, 910998628, 1821997256]

約数ペア:

[(1, 1821997256), (2, 910998628), (4, 455499314), (8, 227749657), (23, 79217272), (46, 39608636), (92, 19804318), (131, 13908376), (184, 9902159), (262, 6954188), (269, 6773224), (281, 6483976), (524, 3477094), (538, 3386612), (562, 3241988), (1048, 1738547), (1076, 1693306), (1124, 1620994), (2152, 846653), (2248, 810497), (3013, 604712), (6026, 302356), (6187, 294488), (6463, 281912), (12052, 151178), (12374, 147244), (12926, 140956), (24104, 75589), (24748, 73622), (25852, 70478), (35239, 51704), (36811, 49496)]