1728895540

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{336361}}^1$

素因数の和:336627

約数の個数: 24

約数和(自身を含む): 3644818632

約数和(自身を除く): 1915923092

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 336361, 672722, 1345444, 1681805, 3363610, 6727220, 86444777, 172889554, 345779108, 432223885, 864447770, 1728895540]

約数ペア:

[(1, 1728895540), (2, 864447770), (4, 432223885), (5, 345779108), (10, 172889554), (20, 86444777), (257, 6727220), (514, 3363610), (1028, 1681805), (1285, 1345444), (2570, 672722), (5140, 336361)]