398547376

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{941}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 783548064

約数和(自身を除く): 385000688

約数列:

[1, 2, 4, 8, 16, 103, 206, 257, 412, 514, 824, 941, 1028, 1648, 1882, 2056, 3764, 4112, 7528, 15056, 26471, 52942, 96923, 105884, 193846, 211768, 241837, 387692, 423536, 483674, 775384, 967348, 1550768, 1934696, 3869392, 24909211, 49818422, 99636844, 199273688, 398547376]

約数ペア:

[(1, 398547376), (2, 199273688), (4, 99636844), (8, 49818422), (16, 24909211), (103, 3869392), (206, 1934696), (257, 1550768), (412, 967348), (514, 775384), (824, 483674), (941, 423536), (1028, 387692), (1648, 241837), (1882, 211768), (2056, 193846), (3764, 105884), (4112, 96923), (7528, 52942), (15056, 26471)]