211217888

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9721}}^1$

素因数の和:9835

約数の個数: 48

約数和(自身を含む): 480189024

約数和(自身を除く): 268971136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 1358, 1552, 2716, 3104, 5432, 9721, 10864, 19442, 21728, 38884, 68047, 77768, 136094, 155536, 272188, 311072, 544376, 942937, 1088752, 1885874, 2177504, 3771748, 6600559, 7543496, 13201118, 15086992, 26402236, 30173984, 52804472, 105608944, 211217888]

約数ペア:

[(1, 211217888), (2, 105608944), (4, 52804472), (7, 30173984), (8, 26402236), (14, 15086992), (16, 13201118), (28, 7543496), (32, 6600559), (56, 3771748), (97, 2177504), (112, 1885874), (194, 1088752), (224, 942937), (388, 544376), (679, 311072), (776, 272188), (1358, 155536), (1552, 136094), (2716, 77768), (3104, 68047), (5432, 38884), (9721, 21728), (10864, 19442)]