217876587448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1259}}^1\times {\mathrm{1669}}^1$

素因数の和:3944

約数の個数: 64

約数和(自身を含む): 440998236000

約数和(自身を除く): 223121648552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 997, 1259, 1669, 1994, 2518, 3338, 3988, 5036, 6676, 7976, 10072, 12961, 13352, 16367, 21697, 25922, 32734, 43394, 51844, 65468, 86788, 103688, 130936, 173576, 1255223, 1663993, 2101271, 2510446, 3327986, 4202542, 5020892, 6655972, 8405084, 10041784, 13311944, 16317899, 16810168, 21631909, 27316523, 32635798, 43263818, 54633046, 65271596, 86527636, 109266092, 130543192, 173055272, 218532184, 2094967187, 4189934374, 8379868748, 16759737496, 27234573431, 54469146862, 108938293724, 217876587448]

約数ペア:

[(1, 217876587448), (2, 108938293724), (4, 54469146862), (8, 27234573431), (13, 16759737496), (26, 8379868748), (52, 4189934374), (104, 2094967187), (997, 218532184), (1259, 173055272), (1669, 130543192), (1994, 109266092), (2518, 86527636), (3338, 65271596), (3988, 54633046), (5036, 43263818), (6676, 32635798), (7976, 27316523), (10072, 21631909), (12961, 16810168), (13352, 16317899), (16367, 13311944), (21697, 10041784), (25922, 8405084), (32734, 6655972), (43394, 5020892), (51844, 4202542), (65468, 3327986), (86788, 2510446), (103688, 2101271), (130936, 1663993), (173576, 1255223)]