81775088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268997}}^1$

素因数の和:269024

約数の個数: 20

約数和(自身を含む): 166778760

約数和(自身を除く): 85003672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268997, 537994, 1075988, 2151976, 4303952, 5110943, 10221886, 20443772, 40887544, 81775088]

約数ペア:

[(1, 81775088), (2, 40887544), (4, 20443772), (8, 10221886), (16, 5110943), (19, 4303952), (38, 2151976), (76, 1075988), (152, 537994), (304, 268997)]