16405972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{653}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 31423392

約数和(自身を除く): 15017420

約数列:

[1, 2, 4, 11, 22, 44, 571, 653, 1142, 1306, 2284, 2612, 6281, 7183, 12562, 14366, 25124, 28732, 372863, 745726, 1491452, 4101493, 8202986, 16405972]

約数ペア:

[(1, 16405972), (2, 8202986), (4, 4101493), (11, 1491452), (22, 745726), (44, 372863), (571, 28732), (653, 25124), (1142, 14366), (1306, 12562), (2284, 7183), (2612, 6281)]