489517168

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{61559}}^1$

素因数の和:61645

約数の個数: 40

約数和(自身を含む): 1099215360

約数和(自身を除く): 609698192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 61559, 123118, 246236, 430913, 492472, 861826, 984944, 1723652, 3447304, 4370689, 6894608, 8741378, 17482756, 30594823, 34965512, 61189646, 69931024, 122379292, 244758584, 489517168]

約数ペア:

[(1, 489517168), (2, 244758584), (4, 122379292), (7, 69931024), (8, 61189646), (14, 34965512), (16, 30594823), (28, 17482756), (56, 8741378), (71, 6894608), (112, 4370689), (142, 3447304), (284, 1723652), (497, 984944), (568, 861826), (994, 492472), (1136, 430913), (1988, 246236), (3976, 123118), (7952, 61559)]