1280491765

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13367}}^1$

素因数の和:13426

約数の個数: 48

約数和(自身を含む): 1975041792

約数和(自身を除く): 694550027

約数列:

[1, 5, 7, 17, 23, 35, 49, 85, 115, 119, 161, 245, 391, 595, 805, 833, 1127, 1955, 2737, 4165, 5635, 13367, 13685, 19159, 66835, 93569, 95795, 227239, 307441, 467845, 654983, 1136195, 1537205, 1590673, 2152087, 3274915, 5226497, 7953365, 10760435, 11134711, 15064609, 26132485, 36585479, 55673555, 75323045, 182927395, 256098353, 1280491765]

約数ペア:

[(1, 1280491765), (5, 256098353), (7, 182927395), (17, 75323045), (23, 55673555), (35, 36585479), (49, 26132485), (85, 15064609), (115, 11134711), (119, 10760435), (161, 7953365), (245, 5226497), (391, 3274915), (595, 2152087), (805, 1590673), (833, 1537205), (1127, 1136195), (1955, 654983), (2737, 467845), (4165, 307441), (5635, 227239), (13367, 95795), (13685, 93569), (19159, 66835)]