253169528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{23459}}^1$

素因数の和:23555

約数の個数: 32

約数和(自身を含む): 506736000

約数和(自身を除く): 253566472

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 2698, 5396, 10792, 23459, 46918, 93836, 187672, 445721, 891442, 1665589, 1782884, 3331178, 3565768, 6662356, 13324712, 31646191, 63292382, 126584764, 253169528]

約数ペア:

[(1, 253169528), (2, 126584764), (4, 63292382), (8, 31646191), (19, 13324712), (38, 6662356), (71, 3565768), (76, 3331178), (142, 1782884), (152, 1665589), (284, 891442), (568, 445721), (1349, 187672), (2698, 93836), (5396, 46918), (10792, 23459)]