28325479

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 7871801

約数列:

[1, 7, 13, 49, 53, 91, 371, 637, 689, 839, 2597, 4823, 5873, 10907, 33761, 41111, 44467, 76349, 311269, 534443, 578071, 2178883, 4046497, 28325479]

約数ペア:

[(1, 28325479), (7, 4046497), (13, 2178883), (49, 578071), (53, 534443), (91, 311269), (371, 76349), (637, 44467), (689, 41111), (839, 33761), (2597, 10907), (4823, 5873)]