399552804

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{528509}}^1$

素因数の和:528529

約数の個数: 48

約数和(自身を含む): 1183862400

約数和(自身を除く): 784309596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 528509, 1057018, 1585527, 2114036, 3171054, 3699563, 4756581, 6342108, 7399126, 9513162, 11098689, 14269743, 14798252, 19026324, 22197378, 28539486, 33296067, 44394756, 57078972, 66592134, 99888201, 133184268, 199776402, 399552804]

約数ペア:

[(1, 399552804), (2, 199776402), (3, 133184268), (4, 99888201), (6, 66592134), (7, 57078972), (9, 44394756), (12, 33296067), (14, 28539486), (18, 22197378), (21, 19026324), (27, 14798252), (28, 14269743), (36, 11098689), (42, 9513162), (54, 7399126), (63, 6342108), (84, 4756581), (108, 3699563), (126, 3171054), (189, 2114036), (252, 1585527), (378, 1057018), (756, 528509)]