2155702955

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1986823}}^1$

素因数の和:1986866

約数の個数: 16

約数和(自身を含む): 3051761664

約数和(自身を除く): 896058709

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 1986823, 9934115, 13907761, 61591513, 69538805, 307957565, 431140591, 2155702955]

約数ペア:

[(1, 2155702955), (5, 431140591), (7, 307957565), (31, 69538805), (35, 61591513), (155, 13907761), (217, 9934115), (1085, 1986823)]