348514660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1340441}}^1$

素因数の和:1340463

約数の個数: 24

約数和(自身を含む): 788179896

約数和(自身を除く): 439665236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1340441, 2680882, 5361764, 6702205, 13404410, 17425733, 26808820, 34851466, 69702932, 87128665, 174257330, 348514660]

約数ペア:

[(1, 348514660), (2, 174257330), (4, 87128665), (5, 69702932), (10, 34851466), (13, 26808820), (20, 17425733), (26, 13404410), (52, 6702205), (65, 5361764), (130, 2680882), (260, 1340441)]