128715426

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7919}}^1$

素因数の和:7980

約数の個数: 64

約数和(自身を含む): 334540800

約数和(自身を除く): 205825374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 189, 258, 301, 378, 387, 602, 774, 903, 1161, 1806, 2322, 2709, 5418, 7919, 8127, 15838, 16254, 23757, 47514, 55433, 71271, 110866, 142542, 166299, 213813, 332598, 340517, 427626, 498897, 681034, 997794, 1021551, 1496691, 2043102, 2383619, 2993382, 3064653, 4767238, 6129306, 7150857, 9193959, 14301714, 18387918, 21452571, 42905142, 64357713, 128715426]

約数ペア:

[(1, 128715426), (2, 64357713), (3, 42905142), (6, 21452571), (7, 18387918), (9, 14301714), (14, 9193959), (18, 7150857), (21, 6129306), (27, 4767238), (42, 3064653), (43, 2993382), (54, 2383619), (63, 2043102), (86, 1496691), (126, 1021551), (129, 997794), (189, 681034), (258, 498897), (301, 427626), (378, 340517), (387, 332598), (602, 213813), (774, 166299), (903, 142542), (1161, 110866), (1806, 71271), (2322, 55433), (2709, 47514), (5418, 23757), (7919, 16254), (8127, 15838)]