281240336

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{104009}}^1$

素因数の和:104043

約数の個数: 30

約数和(自身を含む): 590048730

約数和(自身を除く): 308808394

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 104009, 208018, 416036, 832072, 1352117, 1664144, 2704234, 5408468, 10816936, 17577521, 21633872, 35155042, 70310084, 140620168, 281240336]

約数ペア:

[(1, 281240336), (2, 140620168), (4, 70310084), (8, 35155042), (13, 21633872), (16, 17577521), (26, 10816936), (52, 5408468), (104, 2704234), (169, 1664144), (208, 1352117), (338, 832072), (676, 416036), (1352, 208018), (2704, 104009)]