221449284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12377}}^1$

素因数の和:12465

約数の個数: 72

約数和(自身を含む): 648805248

約数和(自身を除く): 427355964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 5964, 8946, 12377, 17892, 24754, 37131, 49508, 74262, 86639, 111393, 148524, 173278, 222786, 259917, 346556, 445572, 519834, 779751, 878767, 1039668, 1559502, 1757534, 2636301, 3119004, 3515068, 5272602, 6151369, 7908903, 10545204, 12302738, 15817806, 18454107, 24605476, 31635612, 36908214, 55362321, 73816428, 110724642, 221449284]

約数ペア:

[(1, 221449284), (2, 110724642), (3, 73816428), (4, 55362321), (6, 36908214), (7, 31635612), (9, 24605476), (12, 18454107), (14, 15817806), (18, 12302738), (21, 10545204), (28, 7908903), (36, 6151369), (42, 5272602), (63, 3515068), (71, 3119004), (84, 2636301), (126, 1757534), (142, 1559502), (213, 1039668), (252, 878767), (284, 779751), (426, 519834), (497, 445572), (639, 346556), (852, 259917), (994, 222786), (1278, 173278), (1491, 148524), (1988, 111393), (2556, 86639), (2982, 74262), (4473, 49508), (5964, 37131), (8946, 24754), (12377, 17892)]