278380414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{39509}}^1$

素因数の和:39795

約数の個数: 16

約数和(自身を含む): 451362240

約数和(自身を除く): 172981826

約数列:

[1, 2, 13, 26, 271, 542, 3523, 7046, 39509, 79018, 513617, 1027234, 10706939, 21413878, 139190207, 278380414]

約数ペア:

[(1, 278380414), (2, 139190207), (13, 21413878), (26, 10706939), (271, 1027234), (542, 513617), (3523, 79018), (7046, 39509)]