211858256

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{33353}}^1$

素因数の和:33758

約数の個数: 20

約数和(自身を含む): 411521652

約数和(自身を除く): 199663396

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 33353, 66706, 133412, 266824, 533648, 13241141, 26482282, 52964564, 105929128, 211858256]

約数ペア:

[(1, 211858256), (2, 105929128), (4, 52964564), (8, 26482282), (16, 13241141), (397, 533648), (794, 266824), (1588, 133412), (3176, 66706), (6352, 33353)]