2690609

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 3041280

約数和(自身を除く): 350671

約数列:

[1, 19, 23, 47, 131, 437, 893, 1081, 2489, 3013, 6157, 20539, 57247, 116983, 141611, 2690609]

約数ペア:

[(1, 2690609), (19, 141611), (23, 116983), (47, 57247), (131, 20539), (437, 6157), (893, 3013), (1081, 2489)]