123984378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1361}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 316419840

約数和(自身を除く): 192435462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 241, 378, 482, 723, 1361, 1446, 1687, 2169, 2722, 3374, 4083, 4338, 5061, 6507, 8166, 9527, 10122, 12249, 13014, 15183, 19054, 24498, 28581, 30366, 36747, 45549, 57162, 73494, 85743, 91098, 171486, 257229, 328001, 514458, 656002, 984003, 1968006, 2296007, 2952009, 4592014, 5904018, 6888021, 8856027, 13776042, 17712054, 20664063, 41328126, 61992189, 123984378]

約数ペア:

[(1, 123984378), (2, 61992189), (3, 41328126), (6, 20664063), (7, 17712054), (9, 13776042), (14, 8856027), (18, 6888021), (21, 5904018), (27, 4592014), (42, 2952009), (54, 2296007), (63, 1968006), (126, 984003), (189, 656002), (241, 514458), (378, 328001), (482, 257229), (723, 171486), (1361, 91098), (1446, 85743), (1687, 73494), (2169, 57162), (2722, 45549), (3374, 36747), (4083, 30366), (4338, 28581), (5061, 24498), (6507, 19054), (8166, 15183), (9527, 13014), (10122, 12249)]