211312912

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{13327}}^1$

素因数の和:14326

約数の個数: 20

約数和(自身を含む): 409862656

約数和(自身を除く): 198549744

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 13327, 15856, 26654, 53308, 106616, 213232, 13207057, 26414114, 52828228, 105656456, 211312912]

約数ペア:

[(1, 211312912), (2, 105656456), (4, 52828228), (8, 26414114), (16, 13207057), (991, 213232), (1982, 106616), (3964, 53308), (7928, 26654), (13327, 15856)]