278364863728

素因数分解:

$2^4\times 7^1\times {\mathrm{2485400569}}^1$

素因数の和:2485400584

約数の個数: 20

約数和(自身を含む): 616379341360

約数和(自身を除く): 338014477632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2485400569, 4970801138, 9941602276, 17397803983, 19883204552, 34795607966, 39766409104, 69591215932, 139182431864, 278364863728]

約数ペア:

[(1, 278364863728), (2, 139182431864), (4, 69591215932), (7, 39766409104), (8, 34795607966), (14, 19883204552), (16, 17397803983), (28, 9941602276), (56, 4970801138), (112, 2485400569)]