16289147

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 19095552

約数和(自身を除く): 2806405

約数列:

[1, 7, 73, 127, 251, 511, 889, 1757, 9271, 18323, 31877, 64897, 128261, 223139, 2327021, 16289147]

約数ペア:

[(1, 16289147), (7, 2327021), (73, 223139), (127, 128261), (251, 64897), (511, 31877), (889, 18323), (1757, 9271)]