206196016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{991327}}^1$

素因数の和:991348

約数の個数: 20

約数和(自身を含む): 430236352

約数和(自身を除く): 224040336

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 991327, 1982654, 3965308, 7930616, 12887251, 15861232, 25774502, 51549004, 103098008, 206196016]

約数ペア:

[(1, 206196016), (2, 103098008), (4, 51549004), (8, 25774502), (13, 15861232), (16, 12887251), (26, 7930616), (52, 3965308), (104, 1982654), (208, 991327)]