138240172

素因数分解:

$2^2\times 7^2\times {\mathrm{705307}}^1$

素因数の和:705325

約数の個数: 18

約数和(自身を含む): 281417892

約数和(自身を除く): 143177720

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 705307, 1410614, 2821228, 4937149, 9874298, 19748596, 34560043, 69120086, 138240172]

約数ペア:

[(1, 138240172), (2, 69120086), (4, 34560043), (7, 19748596), (14, 9874298), (28, 4937149), (49, 2821228), (98, 1410614), (196, 705307)]