1293040768

素因数分解:

$2^7\times {\mathrm{1109}}^1\times {\mathrm{9109}}^1$

素因数の和:10232

約数の個数: 32

約数和(自身を含む): 2578585500

約数和(自身を除く): 1285544732

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1109, 2218, 4436, 8872, 9109, 17744, 18218, 35488, 36436, 70976, 72872, 141952, 145744, 291488, 582976, 1165952, 10101881, 20203762, 40407524, 80815048, 161630096, 323260192, 646520384, 1293040768]

約数ペア:

[(1, 1293040768), (2, 646520384), (4, 323260192), (8, 161630096), (16, 80815048), (32, 40407524), (64, 20203762), (128, 10101881), (1109, 1165952), (2218, 582976), (4436, 291488), (8872, 145744), (9109, 141952), (17744, 72872), (18218, 70976), (35488, 36436)]