257140288

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{129607}}^1$

素因数の和:129650

約数の個数: 28

約数和(自身を含む): 526726912

約数和(自身を除く): 269586624

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 129607, 259214, 518428, 1036856, 2073712, 4017817, 4147424, 8035634, 8294848, 16071268, 32142536, 64285072, 128570144, 257140288]

約数ペア:

[(1, 257140288), (2, 128570144), (4, 64285072), (8, 32142536), (16, 16071268), (31, 8294848), (32, 8035634), (62, 4147424), (64, 4017817), (124, 2073712), (248, 1036856), (496, 518428), (992, 259214), (1984, 129607)]