39875486

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 71178240

約数和(自身を除く): 31302754

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 661, 973, 1322, 1946, 4309, 4627, 8618, 9254, 20491, 30163, 40982, 60326, 91879, 143437, 183758, 286874, 643153, 1286306, 2848249, 5696498, 19937743, 39875486]

約数ペア:

[(1, 39875486), (2, 19937743), (7, 5696498), (14, 2848249), (31, 1286306), (62, 643153), (139, 286874), (217, 183758), (278, 143437), (434, 91879), (661, 60326), (973, 40982), (1322, 30163), (1946, 20491), (4309, 9254), (4627, 8618)]