1661266775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1657}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 2501643456

約数和(自身を除く): 840376681

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 337, 425, 595, 1657, 1685, 2359, 2975, 5729, 8285, 8425, 11599, 11795, 28169, 28645, 40103, 41425, 57995, 58975, 140845, 143225, 197183, 200515, 289975, 558409, 704225, 985915, 1002575, 2792045, 3908863, 4929575, 9492953, 13960225, 19544315, 47464765, 66450671, 97721575, 237323825, 332253355, 1661266775]

約数ペア:

[(1, 1661266775), (5, 332253355), (7, 237323825), (17, 97721575), (25, 66450671), (35, 47464765), (85, 19544315), (119, 13960225), (175, 9492953), (337, 4929575), (425, 3908863), (595, 2792045), (1657, 1002575), (1685, 985915), (2359, 704225), (2975, 558409), (5729, 289975), (8285, 200515), (8425, 197183), (11599, 143225), (11795, 140845), (28169, 58975), (28645, 57995), (40103, 41425)]