639450145

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{3709}}^1$

素因数の和:3813

約数の個数: 24

約数和(自身を含む): 814315320

約数和(自身を除く): 174865175

約数列:

[1, 5, 29, 41, 145, 205, 841, 1189, 3709, 4205, 5945, 18545, 34481, 107561, 152069, 172405, 537805, 760345, 3119269, 4410001, 15596345, 22050005, 127890029, 639450145]

約数ペア:

[(1, 639450145), (5, 127890029), (29, 22050005), (41, 15596345), (145, 4410001), (205, 3119269), (841, 760345), (1189, 537805), (3709, 172405), (4205, 152069), (5945, 107561), (18545, 34481)]