81528145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2459}}^1$

素因数の和:2832

約数の個数: 16

約数和(自身を含む): 103320000

約数和(自身を除く): 21791855

約数列:

[1, 5, 19, 95, 349, 1745, 2459, 6631, 12295, 33155, 46721, 233605, 858191, 4290955, 16305629, 81528145]

約数ペア:

[(1, 81528145), (5, 16305629), (19, 4290955), (95, 858191), (349, 233605), (1745, 46721), (2459, 33155), (6631, 12295)]