128694538

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137201}}^1$

素因数の和:137277

約数の個数: 16

約数和(自身を含む): 223913664

約数和(自身を除く): 95219126

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 137201, 274402, 960407, 1920814, 9192467, 18384934, 64347269, 128694538]

約数ペア:

[(1, 128694538), (2, 64347269), (7, 18384934), (14, 9192467), (67, 1920814), (134, 960407), (469, 274402), (938, 137201)]