268897552

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2161}}^1$

素因数の和:2288

約数の個数: 80

約数和(自身を含む): 656279424

約数和(自身を除く): 387381872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 101, 112, 154, 176, 202, 308, 404, 616, 707, 808, 1111, 1232, 1414, 1616, 2161, 2222, 2828, 4322, 4444, 5656, 7777, 8644, 8888, 11312, 15127, 15554, 17288, 17776, 23771, 30254, 31108, 34576, 47542, 60508, 62216, 95084, 121016, 124432, 166397, 190168, 218261, 242032, 332794, 380336, 436522, 665588, 873044, 1331176, 1527827, 1746088, 2400871, 2662352, 3055654, 3492176, 4801742, 6111308, 9603484, 12222616, 16806097, 19206968, 24445232, 33612194, 38413936, 67224388, 134448776, 268897552]

約数ペア:

[(1, 268897552), (2, 134448776), (4, 67224388), (7, 38413936), (8, 33612194), (11, 24445232), (14, 19206968), (16, 16806097), (22, 12222616), (28, 9603484), (44, 6111308), (56, 4801742), (77, 3492176), (88, 3055654), (101, 2662352), (112, 2400871), (154, 1746088), (176, 1527827), (202, 1331176), (308, 873044), (404, 665588), (616, 436522), (707, 380336), (808, 332794), (1111, 242032), (1232, 218261), (1414, 190168), (1616, 166397), (2161, 124432), (2222, 121016), (2828, 95084), (4322, 62216), (4444, 60508), (5656, 47542), (7777, 34576), (8644, 31108), (8888, 30254), (11312, 23771), (15127, 17776), (15554, 17288)]