209171984

素因数分解:

$2^4\times 7^2\times {\mathrm{266801}}^1$

素因数の和:266823

約数の個数: 30

約数和(自身を含む): 471439134

約数和(自身を除く): 262267150

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 266801, 533602, 1067204, 1867607, 2134408, 3735214, 4268816, 7470428, 13073249, 14940856, 26146498, 29881712, 52292996, 104585992, 209171984]

約数ペア:

[(1, 209171984), (2, 104585992), (4, 52292996), (7, 29881712), (8, 26146498), (14, 14940856), (16, 13073249), (28, 7470428), (49, 4268816), (56, 3735214), (98, 2134408), (112, 1867607), (196, 1067204), (392, 533602), (784, 266801)]