221053504

素因数分解:

$2^6\times 7^2\times {\mathrm{70489}}^1$

素因数の和:70515

約数の個数: 42

約数和(自身を含む): 510277110

約数和(自身を除く): 289223606

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 70489, 140978, 281956, 493423, 563912, 986846, 1127824, 1973692, 2255648, 3453961, 3947384, 4511296, 6907922, 7894768, 13815844, 15789536, 27631688, 31579072, 55263376, 110526752, 221053504]

約数ペア:

[(1, 221053504), (2, 110526752), (4, 55263376), (7, 31579072), (8, 27631688), (14, 15789536), (16, 13815844), (28, 7894768), (32, 6907922), (49, 4511296), (56, 3947384), (64, 3453961), (98, 2255648), (112, 1973692), (196, 1127824), (224, 986846), (392, 563912), (448, 493423), (784, 281956), (1568, 140978), (3136, 70489)]