72657272

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211213}}^1$

素因数の和:211262

約数の個数: 16

約数和(自身を含む): 139401240

約数和(自身を除く): 66743968

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 211213, 422426, 844852, 1689704, 9082159, 18164318, 36328636, 72657272]

約数ペア:

[(1, 72657272), (2, 36328636), (4, 18164318), (8, 9082159), (43, 1689704), (86, 844852), (172, 422426), (344, 211213)]