128940416

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{91577}}^1$

素因数の和:91602

約数の個数: 32

約数和(自身を含む): 280228680

約数和(自身を除く): 151288264

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 91577, 183154, 366308, 732616, 1007347, 1465232, 2014694, 2930464, 4029388, 5860928, 8058776, 11721856, 16117552, 32235104, 64470208, 128940416]

約数ペア:

[(1, 128940416), (2, 64470208), (4, 32235104), (8, 16117552), (11, 11721856), (16, 8058776), (22, 5860928), (32, 4029388), (44, 2930464), (64, 2014694), (88, 1465232), (128, 1007347), (176, 732616), (352, 366308), (704, 183154), (1408, 91577)]