12405475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 16204320

約数和(自身を除く): 3798845

約数列:

[1, 5, 25, 29, 71, 145, 241, 355, 725, 1205, 1775, 2059, 6025, 6989, 10295, 17111, 34945, 51475, 85555, 174725, 427775, 496219, 2481095, 12405475]

約数ペア:

[(1, 12405475), (5, 2481095), (25, 496219), (29, 427775), (71, 174725), (145, 85555), (241, 51475), (355, 34945), (725, 17111), (1205, 10295), (1775, 6989), (2059, 6025)]