81049424

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{220243}}^1$

素因数の和:220274

約数の個数: 20

約数和(自身を含む): 163861536

約数和(自身を除く): 82812112

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 220243, 440486, 880972, 1761944, 3523888, 5065589, 10131178, 20262356, 40524712, 81049424]

約数ペア:

[(1, 81049424), (2, 40524712), (4, 20262356), (8, 10131178), (16, 5065589), (23, 3523888), (46, 1761944), (92, 880972), (184, 440486), (368, 220243)]