80987272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{532811}}^1$

素因数の和:532836

約数の個数: 16

約数和(自身を含む): 159843600

約数和(自身を除く): 78856328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 532811, 1065622, 2131244, 4262488, 10123409, 20246818, 40493636, 80987272]

約数ペア:

[(1, 80987272), (2, 40493636), (4, 20246818), (8, 10123409), (19, 4262488), (38, 2131244), (76, 1065622), (152, 532811)]