207914245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 335554560

約数和(自身を除く): 127640315

約数列:

[1, 5, 7, 11, 19, 35, 43, 55, 77, 95, 133, 209, 215, 301, 385, 473, 661, 665, 817, 1045, 1463, 1505, 2365, 3305, 3311, 4085, 4627, 5719, 7271, 7315, 8987, 12559, 16555, 23135, 28423, 28595, 36355, 44935, 50897, 62795, 62909, 87913, 138149, 142115, 198961, 254485, 312653, 314545, 439565, 540037, 690745, 967043, 994805, 1563265, 2188571, 2700185, 3780259, 4835215, 5940407, 10942855, 18901295, 29702035, 41582849, 207914245]

約数ペア:

[(1, 207914245), (5, 41582849), (7, 29702035), (11, 18901295), (19, 10942855), (35, 5940407), (43, 4835215), (55, 3780259), (77, 2700185), (95, 2188571), (133, 1563265), (209, 994805), (215, 967043), (301, 690745), (385, 540037), (473, 439565), (661, 314545), (665, 312653), (817, 254485), (1045, 198961), (1463, 142115), (1505, 138149), (2365, 87913), (3305, 62909), (3311, 62795), (4085, 50897), (4627, 44935), (5719, 36355), (7271, 28595), (7315, 28423), (8987, 23135), (12559, 16555)]