128220988

素因数分解:

$2^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{12277}}^1$

素因数の和:12661

約数の個数: 24

約数和(自身を含む): 257150432

約数和(自身を除く): 128929444

約数列:

[1, 2, 4, 7, 14, 28, 373, 746, 1492, 2611, 5222, 10444, 12277, 24554, 49108, 85939, 171878, 343756, 4579321, 9158642, 18317284, 32055247, 64110494, 128220988]

約数ペア:

[(1, 128220988), (2, 64110494), (4, 32055247), (7, 18317284), (14, 9158642), (28, 4579321), (373, 343756), (746, 171878), (1492, 85939), (2611, 49108), (5222, 24554), (10444, 12277)]