259968392

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{1259}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 498052800

約数和(自身を除く): 238084408

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 487, 974, 1259, 1948, 2518, 3896, 5036, 10072, 25811, 51622, 66727, 103244, 133454, 206488, 266908, 533816, 613133, 1226266, 2452532, 4905064, 32496049, 64992098, 129984196, 259968392]

約数ペア:

[(1, 259968392), (2, 129984196), (4, 64992098), (8, 32496049), (53, 4905064), (106, 2452532), (212, 1226266), (424, 613133), (487, 533816), (974, 266908), (1259, 206488), (1948, 133454), (2518, 103244), (3896, 66727), (5036, 51622), (10072, 25811)]