1399302016

素因数分解:

$2^7\times 7^2\times {\mathrm{223103}}^1$

素因数の和:223131

約数の個数: 48

約数和(自身を含む): 3242816640

約数和(自身を除く): 1843514624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 223103, 446206, 892412, 1561721, 1784824, 3123442, 3569648, 6246884, 7139296, 10932047, 12493768, 14278592, 21864094, 24987536, 28557184, 43728188, 49975072, 87456376, 99950144, 174912752, 199900288, 349825504, 699651008, 1399302016]

約数ペア:

[(1, 1399302016), (2, 699651008), (4, 349825504), (7, 199900288), (8, 174912752), (14, 99950144), (16, 87456376), (28, 49975072), (32, 43728188), (49, 28557184), (56, 24987536), (64, 21864094), (98, 14278592), (112, 12493768), (128, 10932047), (196, 7139296), (224, 6246884), (392, 3569648), (448, 3123442), (784, 1784824), (896, 1561721), (1568, 892412), (3136, 446206), (6272, 223103)]