1275922879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{797}}^1\times {\mathrm{1223}}^1$

素因数の和:2055

約数の個数: 32

約数和(自身を含む): 1687827456

約数和(自身を除く): 411904577

約数列:

[1, 7, 11, 17, 77, 119, 187, 797, 1223, 1309, 5579, 8561, 8767, 13453, 13549, 20791, 61369, 94171, 94843, 145537, 149039, 228701, 974731, 1043273, 1600907, 6823117, 10722041, 16570427, 75054287, 115992989, 182274697, 1275922879]

約数ペア:

[(1, 1275922879), (7, 182274697), (11, 115992989), (17, 75054287), (77, 16570427), (119, 10722041), (187, 6823117), (797, 1600907), (1223, 1043273), (1309, 974731), (5579, 228701), (8561, 149039), (8767, 145537), (13453, 94843), (13549, 94171), (20791, 61369)]