128565929

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 136805760

約数和(自身を除く): 8239831

約数列:

[1, 23, 89, 181, 347, 2047, 4163, 7981, 16109, 30883, 62807, 370507, 710309, 1444561, 5589823, 128565929]

約数ペア:

[(1, 128565929), (23, 5589823), (89, 1444561), (181, 710309), (347, 370507), (2047, 62807), (4163, 30883), (7981, 16109)]