201781159

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1459}}^1$

素因数の和:1758

約数の個数: 16

約数和(自身を含む): 220752000

約数和(自身を除く): 18970841

約数列:

[1, 19, 29, 251, 551, 1459, 4769, 7279, 27721, 42311, 138301, 366209, 803909, 6957971, 10620061, 201781159]

約数ペア:

[(1, 201781159), (19, 10620061), (29, 6957971), (251, 803909), (551, 366209), (1459, 138301), (4769, 42311), (7279, 27721)]