521691404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{18341}}^1$

素因数の和:18905

約数の個数: 24

約数和(自身を含む): 985038768

約数和(自身を除く): 463347364

約数列:

[1, 2, 4, 13, 26, 52, 547, 1094, 2188, 7111, 14222, 18341, 28444, 36682, 73364, 238433, 476866, 953732, 10032527, 20065054, 40130108, 130422851, 260845702, 521691404]

約数ペア:

[(1, 521691404), (2, 260845702), (4, 130422851), (13, 40130108), (26, 20065054), (52, 10032527), (547, 953732), (1094, 476866), (2188, 238433), (7111, 73364), (14222, 36682), (18341, 28444)]