25728052

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 54714240

約数和(自身を除く): 28986188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 137, 266, 274, 353, 532, 548, 706, 959, 1412, 1918, 2471, 2603, 3836, 4942, 5206, 6707, 9884, 10412, 13414, 18221, 26828, 36442, 46949, 48361, 72884, 93898, 96722, 187796, 193444, 338527, 677054, 918859, 1354108, 1837718, 3675436, 6432013, 12864026, 25728052]

約数ペア:

[(1, 25728052), (2, 12864026), (4, 6432013), (7, 3675436), (14, 1837718), (19, 1354108), (28, 918859), (38, 677054), (76, 338527), (133, 193444), (137, 187796), (266, 96722), (274, 93898), (353, 72884), (532, 48361), (548, 46949), (706, 36442), (959, 26828), (1412, 18221), (1918, 13414), (2471, 10412), (2603, 9884), (3836, 6707), (4942, 5206)]