1261566845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 2067275520

約数和(自身を除く): 805708675

約数列:

[1, 5, 7, 11, 19, 29, 35, 55, 77, 95, 133, 145, 203, 209, 313, 319, 361, 385, 551, 665, 1015, 1045, 1463, 1565, 1595, 1805, 2191, 2233, 2527, 2755, 3443, 3857, 3971, 5947, 6061, 7315, 9077, 10469, 10955, 11165, 12635, 17215, 19285, 19855, 24101, 27797, 29735, 30305, 41629, 42427, 45385, 52345, 63539, 65417, 73283, 99847, 112993, 115159, 120505, 138985, 172463, 208145, 212135, 317695, 327085, 366415, 457919, 499235, 564965, 575795, 698929, 790951, 806113, 862315, 1207241, 1242923, 1897093, 2289595, 3276797, 3494645, 3954755, 4030565, 6036205, 6214615, 8700461, 9485465, 13279651, 16383985, 22937579, 36044767, 43502305, 66398255, 114687895, 180223835, 252313369, 1261566845]

約数ペア:

[(1, 1261566845), (5, 252313369), (7, 180223835), (11, 114687895), (19, 66398255), (29, 43502305), (35, 36044767), (55, 22937579), (77, 16383985), (95, 13279651), (133, 9485465), (145, 8700461), (203, 6214615), (209, 6036205), (313, 4030565), (319, 3954755), (361, 3494645), (385, 3276797), (551, 2289595), (665, 1897093), (1015, 1242923), (1045, 1207241), (1463, 862315), (1565, 806113), (1595, 790951), (1805, 698929), (2191, 575795), (2233, 564965), (2527, 499235), (2755, 457919), (3443, 366415), (3857, 327085), (3971, 317695), (5947, 212135), (6061, 208145), (7315, 172463), (9077, 138985), (10469, 120505), (10955, 115159), (11165, 112993), (12635, 99847), (17215, 73283), (19285, 65417), (19855, 63539), (24101, 52345), (27797, 45385), (29735, 42427), (30305, 41629)]