289325426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 510209280

約数和(自身を除く): 220883854

約数列:

[1, 2, 13, 19, 26, 38, 71, 73, 113, 142, 146, 226, 247, 494, 923, 949, 1349, 1387, 1469, 1846, 1898, 2147, 2698, 2774, 2938, 4294, 5183, 8023, 8249, 10366, 16046, 16498, 17537, 18031, 27911, 35074, 36062, 55822, 67379, 98477, 104299, 107237, 134758, 152437, 156731, 196954, 208598, 214474, 304874, 313462, 585679, 1171358, 1280201, 1981681, 2037503, 2560402, 3963362, 4075006, 7613827, 11127901, 15227654, 22255802, 144662713, 289325426]

約数ペア:

[(1, 289325426), (2, 144662713), (13, 22255802), (19, 15227654), (26, 11127901), (38, 7613827), (71, 4075006), (73, 3963362), (113, 2560402), (142, 2037503), (146, 1981681), (226, 1280201), (247, 1171358), (494, 585679), (923, 313462), (949, 304874), (1349, 214474), (1387, 208598), (1469, 196954), (1846, 156731), (1898, 152437), (2147, 134758), (2698, 107237), (2774, 104299), (2938, 98477), (4294, 67379), (5183, 55822), (8023, 36062), (8249, 35074), (10366, 27911), (16046, 18031), (16498, 17537)]