261453672

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{18433}}^1$

素因数の和:18642

約数の個数: 48

約数和(自身を含む): 711736740

約数和(自身を除く): 450283068

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1576, 1773, 2364, 3546, 4728, 7092, 14184, 18433, 36866, 55299, 73732, 110598, 147464, 165897, 221196, 331794, 442392, 663588, 1327176, 3631301, 7262602, 10893903, 14525204, 21787806, 29050408, 32681709, 43575612, 65363418, 87151224, 130726836, 261453672]

約数ペア:

[(1, 261453672), (2, 130726836), (3, 87151224), (4, 65363418), (6, 43575612), (8, 32681709), (9, 29050408), (12, 21787806), (18, 14525204), (24, 10893903), (36, 7262602), (72, 3631301), (197, 1327176), (394, 663588), (591, 442392), (788, 331794), (1182, 221196), (1576, 165897), (1773, 147464), (2364, 110598), (3546, 73732), (4728, 55299), (7092, 36866), (14184, 18433)]