1287244288

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{228559}}^1$

素因数の和:228588

約数の個数: 40

約数和(自身を含む): 2805802560

約数和(自身を除く): 1518558272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 5632, 228559, 457118, 914236, 1828472, 2514149, 3656944, 5028298, 7313888, 10056596, 14627776, 20113192, 29255552, 40226384, 58511104, 80452768, 117022208, 160905536, 321811072, 643622144, 1287244288]

約数ペア:

[(1, 1287244288), (2, 643622144), (4, 321811072), (8, 160905536), (11, 117022208), (16, 80452768), (22, 58511104), (32, 40226384), (44, 29255552), (64, 20113192), (88, 14627776), (128, 10056596), (176, 7313888), (256, 5028298), (352, 3656944), (512, 2514149), (704, 1828472), (1408, 914236), (2816, 457118), (5632, 228559)]