1640890745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1484969}}^1$

素因数の和:1485004

約数の個数: 16

約数和(自身を含む): 2245274640

約数和(自身を除く): 604383895

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1484969, 7424845, 19304597, 25244473, 96522985, 126222365, 328178149, 1640890745]

約数ペア:

[(1, 1640890745), (5, 328178149), (13, 126222365), (17, 96522985), (65, 25244473), (85, 19304597), (221, 7424845), (1105, 1484969)]