16881872

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 60

約数和(自身を含む): 38782116

約数和(自身を除く): 21900244

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 353, 392, 427, 488, 706, 784, 854, 976, 1412, 1708, 2471, 2824, 2989, 3416, 4942, 5648, 5978, 6832, 9884, 11956, 17297, 19768, 21533, 23912, 34594, 39536, 43066, 47824, 69188, 86132, 138376, 150731, 172264, 276752, 301462, 344528, 602924, 1055117, 1205848, 2110234, 2411696, 4220468, 8440936, 16881872]

約数ペア:

[(1, 16881872), (2, 8440936), (4, 4220468), (7, 2411696), (8, 2110234), (14, 1205848), (16, 1055117), (28, 602924), (49, 344528), (56, 301462), (61, 276752), (98, 172264), (112, 150731), (122, 138376), (196, 86132), (244, 69188), (353, 47824), (392, 43066), (427, 39536), (488, 34594), (706, 23912), (784, 21533), (854, 19768), (976, 17297), (1412, 11956), (1708, 9884), (2471, 6832), (2824, 5978), (2989, 5648), (3416, 4942)]