205291295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1301}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 284981760

約数和(自身を除く): 79690465

約数列:

[1, 5, 11, 19, 55, 95, 151, 209, 755, 1045, 1301, 1661, 2869, 6505, 8305, 14311, 14345, 24719, 31559, 71555, 123595, 157795, 196451, 271909, 982255, 1359545, 2160961, 3732569, 10804805, 18662845, 41058259, 205291295]

約数ペア:

[(1, 205291295), (5, 41058259), (11, 18662845), (19, 10804805), (55, 3732569), (95, 2160961), (151, 1359545), (209, 982255), (755, 271909), (1045, 196451), (1301, 157795), (1661, 123595), (2869, 71555), (6505, 31559), (8305, 24719), (14311, 14345)]