128522810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{673}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 253097784

約数和(自身を除く): 124574974

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 169, 226, 338, 565, 673, 845, 1130, 1346, 1469, 1690, 2938, 3365, 6730, 7345, 8749, 14690, 17498, 19097, 38194, 43745, 76049, 87490, 95485, 113737, 152098, 190970, 227474, 380245, 568685, 760490, 988637, 1137370, 1977274, 4943185, 9886370, 12852281, 25704562, 64261405, 128522810]

約数ペア:

[(1, 128522810), (2, 64261405), (5, 25704562), (10, 12852281), (13, 9886370), (26, 4943185), (65, 1977274), (113, 1137370), (130, 988637), (169, 760490), (226, 568685), (338, 380245), (565, 227474), (673, 190970), (845, 152098), (1130, 113737), (1346, 95485), (1469, 87490), (1690, 76049), (2938, 43745), (3365, 38194), (6730, 19097), (7345, 17498), (8749, 14690)]