291212428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{5600239}}^1$

素因数の和:5600256

約数の個数: 12

約数和(自身を含む): 548823520

約数和(自身を除く): 257611092

約数列:

[1, 2, 4, 13, 26, 52, 5600239, 11200478, 22400956, 72803107, 145606214, 291212428]

約数ペア:

[(1, 291212428), (2, 145606214), (4, 72803107), (13, 22400956), (26, 11200478), (52, 5600239)]