1978235

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 2808000

約数和(自身を除く): 829765

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 1949, 9745, 13643, 56521, 68215, 282605, 395647, 1978235]

約数ペア:

[(1, 1978235), (5, 395647), (7, 282605), (29, 68215), (35, 56521), (145, 13643), (203, 9745), (1015, 1949)]