28177898

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{87509}}^1$

素因数の和:87541

約数の個数: 16

約数和(自身を含む): 50405760

約数和(自身を除く): 22227862

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 87509, 175018, 612563, 1225126, 2012707, 4025414, 14088949, 28177898]

約数ペア:

[(1, 28177898), (2, 14088949), (7, 4025414), (14, 2012707), (23, 1225126), (46, 612563), (161, 175018), (322, 87509)]