263669378

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 489646080

約数和(自身を除く): 225976702

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 137, 139, 161, 274, 278, 301, 322, 602, 959, 973, 989, 1918, 1946, 1978, 3151, 3197, 5891, 5977, 6302, 6394, 6923, 11782, 11954, 13846, 19043, 22057, 22379, 38086, 41237, 41839, 44114, 44758, 82474, 83678, 133301, 135493, 137471, 266602, 270986, 274942, 437989, 818849, 875978, 948451, 962297, 1637698, 1896902, 1924594, 3065923, 5731943, 6131846, 11463886, 18833527, 37667054, 131834689, 263669378]

約数ペア:

[(1, 263669378), (2, 131834689), (7, 37667054), (14, 18833527), (23, 11463886), (43, 6131846), (46, 5731943), (86, 3065923), (137, 1924594), (139, 1896902), (161, 1637698), (274, 962297), (278, 948451), (301, 875978), (322, 818849), (602, 437989), (959, 274942), (973, 270986), (989, 266602), (1918, 137471), (1946, 135493), (1978, 133301), (3151, 83678), (3197, 82474), (5891, 44758), (5977, 44114), (6302, 41839), (6394, 41237), (6923, 38086), (11782, 22379), (11954, 22057), (13846, 19043)]