80289638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2143}}^1$

素因数の和:2300

約数の個数: 32

約数和(自身を含む): 142636032

約数和(自身を除く): 62346394

約数列:

[1, 2, 11, 13, 22, 26, 131, 143, 262, 286, 1441, 1703, 2143, 2882, 3406, 4286, 18733, 23573, 27859, 37466, 47146, 55718, 280733, 306449, 561466, 612898, 3088063, 3649529, 6176126, 7299058, 40144819, 80289638]

約数ペア:

[(1, 80289638), (2, 40144819), (11, 7299058), (13, 6176126), (22, 3649529), (26, 3088063), (131, 612898), (143, 561466), (262, 306449), (286, 280733), (1441, 55718), (1703, 47146), (2143, 37466), (2882, 27859), (3406, 23573), (4286, 18733)]