643332928

素因数分解:

$2^6\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21433}}^1$

素因数の和:21519

約数の個数: 56

約数和(自身を含む): 1480832192

約数和(自身を除く): 837499264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 134, 224, 268, 448, 469, 536, 938, 1072, 1876, 2144, 3752, 4288, 7504, 15008, 21433, 30016, 42866, 85732, 150031, 171464, 300062, 342928, 600124, 685856, 1200248, 1371712, 1436011, 2400496, 2872022, 4800992, 5744044, 9601984, 10052077, 11488088, 20104154, 22976176, 40208308, 45952352, 80416616, 91904704, 160833232, 321666464, 643332928]

約数ペア:

[(1, 643332928), (2, 321666464), (4, 160833232), (7, 91904704), (8, 80416616), (14, 45952352), (16, 40208308), (28, 22976176), (32, 20104154), (56, 11488088), (64, 10052077), (67, 9601984), (112, 5744044), (134, 4800992), (224, 2872022), (268, 2400496), (448, 1436011), (469, 1371712), (536, 1200248), (938, 685856), (1072, 600124), (1876, 342928), (2144, 300062), (3752, 171464), (4288, 150031), (7504, 85732), (15008, 42866), (21433, 30016)]