30981242

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21191}}^1$

素因数の和:21253

約数の個数: 16

約数和(自身を含む): 50352192

約数和(自身を除く): 19370950

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 21191, 42382, 360247, 720494, 911213, 1822426, 15490621, 30981242]

約数ペア:

[(1, 30981242), (2, 15490621), (17, 1822426), (34, 911213), (43, 720494), (86, 360247), (731, 42382), (1462, 21191)]