1645790768

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{809}}^1\times {\mathrm{2399}}^1$

素因数の和:3269

約数の個数: 40

約数和(自身を含む): 3254256000

約数和(自身を除く): 1608465232

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 809, 848, 1618, 2399, 3236, 4798, 6472, 9596, 12944, 19192, 38384, 42877, 85754, 127147, 171508, 254294, 343016, 508588, 686032, 1017176, 1940791, 2034352, 3881582, 7763164, 15526328, 31052656, 102861923, 205723846, 411447692, 822895384, 1645790768]

約数ペア:

[(1, 1645790768), (2, 822895384), (4, 411447692), (8, 205723846), (16, 102861923), (53, 31052656), (106, 15526328), (212, 7763164), (424, 3881582), (809, 2034352), (848, 1940791), (1618, 1017176), (2399, 686032), (3236, 508588), (4798, 343016), (6472, 254294), (9596, 171508), (12944, 127147), (19192, 85754), (38384, 42877)]