128767568

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{1063}}^1$

素因数の和:1251

約数の個数: 40

約数和(自身を含む): 255691968

約数和(自身を除く): 126924400

約数列:

[1, 2, 4, 8, 16, 67, 113, 134, 226, 268, 452, 536, 904, 1063, 1072, 1808, 2126, 4252, 7571, 8504, 15142, 17008, 30284, 60568, 71221, 120119, 121136, 142442, 240238, 284884, 480476, 569768, 960952, 1139536, 1921904, 8047973, 16095946, 32191892, 64383784, 128767568]

約数ペア:

[(1, 128767568), (2, 64383784), (4, 32191892), (8, 16095946), (16, 8047973), (67, 1921904), (113, 1139536), (134, 960952), (226, 569768), (268, 480476), (452, 284884), (536, 240238), (904, 142442), (1063, 121136), (1072, 120119), (1808, 71221), (2126, 60568), (4252, 30284), (7571, 17008), (8504, 15142)]