1288937161981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{18713}}^1\times {\mathrm{13997}}^1$

素因数の和:32773

約数の個数: 32

約数和(自身を含む): 1592708117760

約数和(自身を除く): 303770955779

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 13997, 18713, 97979, 130991, 265943, 355547, 517889, 692381, 1861601, 2488829, 3625223, 4846667, 9839891, 13155239, 68879237, 92086673, 261925861, 1833481027, 4976591359, 9691256857, 34836139513, 67838797999, 184133880283, 1288937161981]

約数ペア:

[(1, 1288937161981), (7, 184133880283), (19, 67838797999), (37, 34836139513), (133, 9691256857), (259, 4976591359), (703, 1833481027), (4921, 261925861), (13997, 92086673), (18713, 68879237), (97979, 13155239), (130991, 9839891), (265943, 4846667), (355547, 3625223), (517889, 2488829), (692381, 1861601)]