211025815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3833}}^1$

素因数の和:3880

約数の個数: 48

約数和(自身を含む): 342667584

約数和(自身を除く): 131641769

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 385, 455, 605, 715, 847, 1001, 1573, 3833, 4235, 5005, 7865, 11011, 19165, 26831, 42163, 49829, 55055, 134155, 210815, 249145, 295141, 348803, 463793, 548119, 1475705, 1744015, 2318965, 2740595, 3246551, 3836833, 6029309, 16232755, 19184165, 30146545, 42205163, 211025815]

約数ペア:

[(1, 211025815), (5, 42205163), (7, 30146545), (11, 19184165), (13, 16232755), (35, 6029309), (55, 3836833), (65, 3246551), (77, 2740595), (91, 2318965), (121, 1744015), (143, 1475705), (385, 548119), (455, 463793), (605, 348803), (715, 295141), (847, 249145), (1001, 210815), (1573, 134155), (3833, 55055), (4235, 49829), (5005, 42163), (7865, 26831), (11011, 19165)]