51391984

素因数分解:

$2^4\times 7^2\times {\mathrm{65551}}^1$

素因数の和:65573

約数の個数: 30

約数和(自身を含む): 115830384

約数和(自身を除く): 64438400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 65551, 131102, 262204, 458857, 524408, 917714, 1048816, 1835428, 3211999, 3670856, 6423998, 7341712, 12847996, 25695992, 51391984]

約数ペア:

[(1, 51391984), (2, 25695992), (4, 12847996), (7, 7341712), (8, 6423998), (14, 3670856), (16, 3211999), (28, 1835428), (49, 1048816), (56, 917714), (98, 524408), (112, 458857), (196, 262204), (392, 131102), (784, 65551)]