1661567219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{39979}}^1$

素因数の和:40154

約数の個数: 16

約数和(自身を含む): 1880659200

約数和(自身を除く): 219091981

約数列:

[1, 13, 23, 139, 299, 1807, 3197, 39979, 41561, 519727, 919517, 5557081, 11953721, 72242053, 127812863, 1661567219]

約数ペア:

[(1, 1661567219), (13, 127812863), (23, 72242053), (139, 11953721), (299, 5557081), (1807, 919517), (3197, 519727), (39979, 41561)]