207899615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 331914240

約数和(自身を除く): 124014625

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 97, 133, 209, 293, 385, 485, 665, 679, 1045, 1067, 1463, 1465, 1843, 2051, 3223, 3395, 5335, 5567, 7315, 7469, 9215, 10255, 12901, 16115, 20273, 22561, 27835, 28421, 37345, 38969, 61237, 64505, 101365, 112805, 141911, 142105, 194845, 198947, 306185, 312631, 428659, 539999, 709555, 994735, 1563155, 2143295, 2188417, 2699995, 3779993, 5939989, 10942085, 18899965, 29699945, 41579923, 207899615]

約数ペア:

[(1, 207899615), (5, 41579923), (7, 29699945), (11, 18899965), (19, 10942085), (35, 5939989), (55, 3779993), (77, 2699995), (95, 2188417), (97, 2143295), (133, 1563155), (209, 994735), (293, 709555), (385, 539999), (485, 428659), (665, 312631), (679, 306185), (1045, 198947), (1067, 194845), (1463, 142105), (1465, 141911), (1843, 112805), (2051, 101365), (3223, 64505), (3395, 61237), (5335, 38969), (5567, 37345), (7315, 28421), (7469, 27835), (9215, 22561), (10255, 20273), (12901, 16115)]