278589008

素因数分解:

$2^4\times {\mathrm{4127}}^1\times {\mathrm{4219}}^1$

素因数の和:8354

約数の個数: 20

約数和(自身を含む): 540024960

約数和(自身を除く): 261435952

約数列:

[1, 2, 4, 8, 16, 4127, 4219, 8254, 8438, 16508, 16876, 33016, 33752, 66032, 67504, 17411813, 34823626, 69647252, 139294504, 278589008]

約数ペア:

[(1, 278589008), (2, 139294504), (4, 69647252), (8, 34823626), (16, 17411813), (4127, 67504), (4219, 66032), (8254, 33752), (8438, 33016), (16508, 16876)]