28105154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 54238464

約数和(自身を除く): 26133310

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 121, 154, 242, 329, 353, 517, 658, 706, 847, 1034, 1694, 2471, 3619, 3883, 4942, 5687, 7238, 7766, 11374, 16591, 27181, 33182, 39809, 42713, 54362, 79618, 85426, 116137, 182501, 232274, 298991, 365002, 597982, 1277507, 2007511, 2555014, 4015022, 14052577, 28105154]

約数ペア:

[(1, 28105154), (2, 14052577), (7, 4015022), (11, 2555014), (14, 2007511), (22, 1277507), (47, 597982), (77, 365002), (94, 298991), (121, 232274), (154, 182501), (242, 116137), (329, 85426), (353, 79618), (517, 54362), (658, 42713), (706, 39809), (847, 33182), (1034, 27181), (1694, 16591), (2471, 11374), (3619, 7766), (3883, 7238), (4942, 5687)]