81719638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40819}}^1$

素因数の和:40852

約数の個数: 32

約数和(自身を含む): 164586240

約数和(自身を除く): 82866602

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 40819, 81638, 285733, 449009, 530647, 571466, 898018, 1061294, 3143063, 3714529, 5837117, 6286126, 7429058, 11674234, 40859819, 81719638]

約数ペア:

[(1, 81719638), (2, 40859819), (7, 11674234), (11, 7429058), (13, 6286126), (14, 5837117), (22, 3714529), (26, 3143063), (77, 1061294), (91, 898018), (143, 571466), (154, 530647), (182, 449009), (286, 285733), (1001, 81638), (2002, 40819)]