3990147260735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{20509}}^1\times {\mathrm{2047957}}^1$

素因数の和:2068490

約数の個数: 16

約数和(自身を含む): 5040434229600

約数和(自身を除く): 1050286968865

約数列:

[1, 5, 19, 95, 20509, 102545, 389671, 1948355, 2047957, 10239785, 38911183, 194555915, 42001550113, 210007750565, 798029452147, 3990147260735]

約数ペア:

[(1, 3990147260735), (5, 798029452147), (19, 210007750565), (95, 42001550113), (20509, 194555915), (102545, 38911183), (389671, 10239785), (1948355, 2047957)]