2797480270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21519079}}^1$

素因数の和:21519099

約数の個数: 16

約数和(自身を含む): 5422808160

約数和(自身を除く): 2625327890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 21519079, 43038158, 107595395, 215190790, 279748027, 559496054, 1398740135, 2797480270]

約数ペア:

[(1, 2797480270), (2, 1398740135), (5, 559496054), (10, 279748027), (13, 215190790), (26, 107595395), (65, 43038158), (130, 21519079)]