128210810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{140891}}^1$

素因数の和:140918

約数の個数: 32

約数和(自身を含む): 284038272

約数和(自身を除く): 155827462

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 140891, 281782, 704455, 986237, 1408910, 1831583, 1972474, 3663166, 4931185, 9157915, 9862370, 12821081, 18315830, 25642162, 64105405, 128210810]

約数ペア:

[(1, 128210810), (2, 64105405), (5, 25642162), (7, 18315830), (10, 12821081), (13, 9862370), (14, 9157915), (26, 4931185), (35, 3663166), (65, 1972474), (70, 1831583), (91, 1408910), (130, 986237), (182, 704455), (455, 281782), (910, 140891)]