128547968

素因数分解:

$2^7\times {\mathrm{443}}^1\times {\mathrm{2267}}^1$

素因数の和:2724

約数の個数: 32

約数和(自身を含む): 256782960

約数和(自身を除く): 128234992

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 443, 886, 1772, 2267, 3544, 4534, 7088, 9068, 14176, 18136, 28352, 36272, 56704, 72544, 145088, 290176, 1004281, 2008562, 4017124, 8034248, 16068496, 32136992, 64273984, 128547968]

約数ペア:

[(1, 128547968), (2, 64273984), (4, 32136992), (8, 16068496), (16, 8034248), (32, 4017124), (64, 2008562), (128, 1004281), (443, 290176), (886, 145088), (1772, 72544), (2267, 56704), (3544, 36272), (4534, 28352), (7088, 18136), (9068, 14176)]