253136885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{48821}}^1$

素因数の和:48904

約数の個数: 16

約数和(自身を含む): 326912112

約数和(自身を除く): 73775227

約数列:

[1, 5, 17, 61, 85, 305, 1037, 5185, 48821, 244105, 829957, 2978081, 4149785, 14890405, 50627377, 253136885]

約数ペア:

[(1, 253136885), (5, 50627377), (17, 14890405), (61, 4149785), (85, 2978081), (305, 829957), (1037, 244105), (5185, 48821)]