71530543

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 90197712

約数和(自身を除く): 18667169

約数列:

[1, 7, 17, 43, 49, 119, 301, 731, 833, 1997, 2107, 5117, 13979, 33949, 35819, 85871, 97853, 237643, 601097, 1459807, 1663501, 4207679, 10218649, 71530543]

約数ペア:

[(1, 71530543), (7, 10218649), (17, 4207679), (43, 1663501), (49, 1459807), (119, 601097), (301, 237643), (731, 97853), (833, 85871), (1997, 35819), (2107, 33949), (5117, 13979)]